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authorKay Sievers <kay@vrfy.org>2015-02-08 12:25:35 +0100
committerKay Sievers <kay@vrfy.org>2015-02-17 14:36:59 +0100
commit0fa2cac4f0cdefaf1addd7f1fe0fd8113db9360b (patch)
treee2ddad77e8b9afe1121a54eea28add1846d9aa6b /src
parent484adfd914504cd7e95867cea20ca7af71b888f2 (diff)
sd-boot: add EFI boot manager and stub loader
Diffstat (limited to 'src')
-rw-r--r--src/sd-boot/.gitignore2
-rw-r--r--src/sd-boot/console.c141
-rw-r--r--src/sd-boot/console.h34
-rw-r--r--src/sd-boot/graphics.c389
-rw-r--r--src/sd-boot/graphics.h26
-rw-r--r--src/sd-boot/linux.c130
-rw-r--r--src/sd-boot/linux.h24
-rw-r--r--src/sd-boot/pefile.c172
-rw-r--r--src/sd-boot/pefile.h22
-rw-r--r--src/sd-boot/sd-boot.c2023
-rw-r--r--src/sd-boot/stub.c106
-rw-r--r--src/sd-boot/util.c322
-rw-r--r--src/sd-boot/util.h44
13 files changed, 3435 insertions, 0 deletions
diff --git a/src/sd-boot/.gitignore b/src/sd-boot/.gitignore
new file mode 100644
index 0000000000..55b0da4678
--- /dev/null
+++ b/src/sd-boot/.gitignore
@@ -0,0 +1,2 @@
+/sd_boot.so
+/stub.so
diff --git a/src/sd-boot/console.c b/src/sd-boot/console.c
new file mode 100644
index 0000000000..6206c80317
--- /dev/null
+++ b/src/sd-boot/console.c
@@ -0,0 +1,141 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Copyright (C) 2012-2013 Kay Sievers <kay@vrfy.org>
+ * Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
+ */
+
+#include <efi.h>
+#include <efilib.h>
+
+#include "util.h"
+#include "console.h"
+
+#define EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID \
+ { 0xdd9e7534, 0x7762, 0x4698, { 0x8c, 0x14, 0xf5, 0x85, 0x17, 0xa6, 0x25, 0xaa } }
+
+struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL;
+
+typedef EFI_STATUS (EFIAPI *EFI_INPUT_RESET_EX)(
+ struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This;
+ BOOLEAN ExtendedVerification;
+);
+
+typedef UINT8 EFI_KEY_TOGGLE_STATE;
+
+typedef struct {
+ UINT32 KeyShiftState;
+ EFI_KEY_TOGGLE_STATE KeyToggleState;
+} EFI_KEY_STATE;
+
+typedef struct {
+ EFI_INPUT_KEY Key;
+ EFI_KEY_STATE KeyState;
+} EFI_KEY_DATA;
+
+typedef EFI_STATUS (EFIAPI *EFI_INPUT_READ_KEY_EX)(
+ struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This;
+ EFI_KEY_DATA *KeyData;
+);
+
+typedef EFI_STATUS (EFIAPI *EFI_SET_STATE)(
+ struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This;
+ EFI_KEY_TOGGLE_STATE *KeyToggleState;
+);
+
+typedef EFI_STATUS (EFIAPI *EFI_KEY_NOTIFY_FUNCTION)(
+ EFI_KEY_DATA *KeyData;
+);
+
+typedef EFI_STATUS (EFIAPI *EFI_REGISTER_KEYSTROKE_NOTIFY)(
+ struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This;
+ EFI_KEY_DATA KeyData;
+ EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction;
+ VOID **NotifyHandle;
+);
+
+typedef EFI_STATUS (EFIAPI *EFI_UNREGISTER_KEYSTROKE_NOTIFY)(
+ struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This;
+ VOID *NotificationHandle;
+);
+
+typedef struct _EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL {
+ EFI_INPUT_RESET_EX Reset;
+ EFI_INPUT_READ_KEY_EX ReadKeyStrokeEx;
+ EFI_EVENT WaitForKeyEx;
+ EFI_SET_STATE SetState;
+ EFI_REGISTER_KEYSTROKE_NOTIFY RegisterKeyNotify;
+ EFI_UNREGISTER_KEYSTROKE_NOTIFY UnregisterKeyNotify;
+} EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL;
+
+EFI_STATUS console_key_read(UINT64 *key, BOOLEAN wait) {
+ EFI_GUID EfiSimpleTextInputExProtocolGuid = EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID;
+ static EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *TextInputEx;
+ static BOOLEAN checked;
+ UINTN index;
+ EFI_INPUT_KEY k;
+ EFI_STATUS err;
+
+ if (!checked) {
+ err = LibLocateProtocol(&EfiSimpleTextInputExProtocolGuid, (VOID **)&TextInputEx);
+ if (EFI_ERROR(err))
+ TextInputEx = NULL;
+
+ checked = TRUE;
+ }
+
+ /* wait until key is pressed */
+ if (wait) {
+ if (TextInputEx)
+ uefi_call_wrapper(BS->WaitForEvent, 3, 1, &TextInputEx->WaitForKeyEx, &index);
+ else
+ uefi_call_wrapper(BS->WaitForEvent, 3, 1, &ST->ConIn->WaitForKey, &index);
+ }
+
+ if (TextInputEx) {
+ EFI_KEY_DATA keydata;
+ UINT64 keypress;
+
+ err = uefi_call_wrapper(TextInputEx->ReadKeyStrokeEx, 2, TextInputEx, &keydata);
+ if (!EFI_ERROR(err)) {
+ UINT32 shift = 0;
+
+ /* do not distinguish between left and right keys */
+ if (keydata.KeyState.KeyShiftState & EFI_SHIFT_STATE_VALID) {
+ if (keydata.KeyState.KeyShiftState & (EFI_RIGHT_CONTROL_PRESSED|EFI_LEFT_CONTROL_PRESSED))
+ shift |= EFI_CONTROL_PRESSED;
+ if (keydata.KeyState.KeyShiftState & (EFI_RIGHT_ALT_PRESSED|EFI_LEFT_ALT_PRESSED))
+ shift |= EFI_ALT_PRESSED;
+ };
+
+ /* 32 bit modifier keys + 16 bit scan code + 16 bit unicode */
+ keypress = KEYPRESS(shift, keydata.Key.ScanCode, keydata.Key.UnicodeChar);
+ if (keypress > 0) {
+ *key = keypress;
+ return 0;
+ }
+ }
+ }
+
+ /* fallback for firmware which does not support SimpleTextInputExProtocol
+ *
+ * This is also called in case ReadKeyStrokeEx did not return a key, because
+ * some broken firmwares offer SimpleTextInputExProtocol, but never acually
+ * handle any key. */
+ err = uefi_call_wrapper(ST->ConIn->ReadKeyStroke, 2, ST->ConIn, &k);
+ if (EFI_ERROR(err))
+ return err;
+
+ *key = KEYPRESS(0, k.ScanCode, k.UnicodeChar);
+ return 0;
+}
diff --git a/src/sd-boot/console.h b/src/sd-boot/console.h
new file mode 100644
index 0000000000..5c7808a067
--- /dev/null
+++ b/src/sd-boot/console.h
@@ -0,0 +1,34 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Copyright (C) 2012-2013 Kay Sievers <kay@vrfy.org>
+ * Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
+ */
+
+#ifndef __SDBOOT_CONSOLE_H
+#define __SDBOOT_CONSOLE_H
+
+#define EFI_SHIFT_STATE_VALID 0x80000000
+#define EFI_RIGHT_CONTROL_PRESSED 0x00000004
+#define EFI_LEFT_CONTROL_PRESSED 0x00000008
+#define EFI_RIGHT_ALT_PRESSED 0x00000010
+#define EFI_LEFT_ALT_PRESSED 0x00000020
+
+#define EFI_CONTROL_PRESSED (EFI_RIGHT_CONTROL_PRESSED|EFI_LEFT_CONTROL_PRESSED)
+#define EFI_ALT_PRESSED (EFI_RIGHT_ALT_PRESSED|EFI_LEFT_ALT_PRESSED)
+#define KEYPRESS(keys, scan, uni) ((((UINT64)keys) << 32) | ((scan) << 16) | (uni))
+#define KEYCHAR(k) ((k) & 0xffff)
+#define CHAR_CTRL(c) ((c) - 'a' + 1)
+
+EFI_STATUS console_key_read(UINT64 *key, BOOLEAN wait);
+#endif
diff --git a/src/sd-boot/graphics.c b/src/sd-boot/graphics.c
new file mode 100644
index 0000000000..11305b8d06
--- /dev/null
+++ b/src/sd-boot/graphics.c
@@ -0,0 +1,389 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Copyright (C) 2012-2013 Kay Sievers <kay@vrfy.org>
+ * Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
+ * Copyright (C) 2013 Intel Corporation
+ * Authored by Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
+ */
+
+#include <efi.h>
+#include <efilib.h>
+
+#include "util.h"
+#include "graphics.h"
+
+EFI_STATUS graphics_mode(BOOLEAN on) {
+ #define EFI_CONSOLE_CONTROL_PROTOCOL_GUID \
+ { 0xf42f7782, 0x12e, 0x4c12, { 0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21 } };
+
+ struct _EFI_CONSOLE_CONTROL_PROTOCOL;
+
+ typedef enum {
+ EfiConsoleControlScreenText,
+ EfiConsoleControlScreenGraphics,
+ EfiConsoleControlScreenMaxValue,
+ } EFI_CONSOLE_CONTROL_SCREEN_MODE;
+
+ typedef EFI_STATUS (EFIAPI *EFI_CONSOLE_CONTROL_PROTOCOL_GET_MODE)(
+ struct _EFI_CONSOLE_CONTROL_PROTOCOL *This,
+ EFI_CONSOLE_CONTROL_SCREEN_MODE *Mode,
+ BOOLEAN *UgaExists,
+ BOOLEAN *StdInLocked
+ );
+
+ typedef EFI_STATUS (EFIAPI *EFI_CONSOLE_CONTROL_PROTOCOL_SET_MODE)(
+ struct _EFI_CONSOLE_CONTROL_PROTOCOL *This,
+ EFI_CONSOLE_CONTROL_SCREEN_MODE Mode
+ );
+
+ typedef EFI_STATUS (EFIAPI *EFI_CONSOLE_CONTROL_PROTOCOL_LOCK_STD_IN)(
+ struct _EFI_CONSOLE_CONTROL_PROTOCOL *This,
+ CHAR16 *Password
+ );
+
+ typedef struct _EFI_CONSOLE_CONTROL_PROTOCOL {
+ EFI_CONSOLE_CONTROL_PROTOCOL_GET_MODE GetMode;
+ EFI_CONSOLE_CONTROL_PROTOCOL_SET_MODE SetMode;
+ EFI_CONSOLE_CONTROL_PROTOCOL_LOCK_STD_IN LockStdIn;
+ } EFI_CONSOLE_CONTROL_PROTOCOL;
+
+ EFI_GUID ConsoleControlProtocolGuid = EFI_CONSOLE_CONTROL_PROTOCOL_GUID;
+ EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl = NULL;
+ EFI_CONSOLE_CONTROL_SCREEN_MODE new;
+ EFI_CONSOLE_CONTROL_SCREEN_MODE current;
+ BOOLEAN uga_exists;
+ BOOLEAN stdin_locked;
+ EFI_STATUS err;
+
+ err = LibLocateProtocol(&ConsoleControlProtocolGuid, (VOID **)&ConsoleControl);
+ if (EFI_ERROR(err)) {
+ /* console control protocol is nonstandard and might not exist. */
+ return err == EFI_NOT_FOUND ? EFI_SUCCESS : err;
+ }
+
+ /* check current mode */
+ err = uefi_call_wrapper(ConsoleControl->GetMode, 4, ConsoleControl, &current, &uga_exists, &stdin_locked);
+ if (EFI_ERROR(err))
+ return err;
+
+ /* do not touch the mode */
+ new = on ? EfiConsoleControlScreenGraphics : EfiConsoleControlScreenText;
+ if (new == current)
+ return EFI_SUCCESS;
+
+ err = uefi_call_wrapper(ConsoleControl->SetMode, 2, ConsoleControl, new);
+
+ /* some firmware enables the cursor when switching modes */
+ uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE);
+
+ return err;
+}
+
+struct bmp_file {
+ CHAR8 signature[2];
+ UINT32 size;
+ UINT16 reserved[2];
+ UINT32 offset;
+} __attribute__((packed));
+
+/* we require at least BITMAPINFOHEADER, later versions are
+ accepted, but their features ignored */
+struct bmp_dib {
+ UINT32 size;
+ UINT32 x;
+ UINT32 y;
+ UINT16 planes;
+ UINT16 depth;
+ UINT32 compression;
+ UINT32 image_size;
+ INT32 x_pixel_meter;
+ INT32 y_pixel_meter;
+ UINT32 colors_used;
+ UINT32 colors_important;
+} __attribute__((packed));
+
+struct bmp_map {
+ UINT8 blue;
+ UINT8 green;
+ UINT8 red;
+ UINT8 reserved;
+} __attribute__((packed));
+
+EFI_STATUS bmp_parse_header(UINT8 *bmp, UINTN size, struct bmp_dib **ret_dib,
+ struct bmp_map **ret_map, UINT8 **pixmap) {
+ struct bmp_file *file;
+ struct bmp_dib *dib;
+ struct bmp_map *map;
+ UINTN row_size;
+
+ if (size < sizeof(struct bmp_file) + sizeof(struct bmp_dib))
+ return EFI_INVALID_PARAMETER;
+
+ /* check file header */
+ file = (struct bmp_file *)bmp;
+ if (file->signature[0] != 'B' || file->signature[1] != 'M')
+ return EFI_INVALID_PARAMETER;
+ if (file->size != size)
+ return EFI_INVALID_PARAMETER;
+ if (file->size < file->offset)
+ return EFI_INVALID_PARAMETER;
+
+ /* check device-independent bitmap */
+ dib = (struct bmp_dib *)(bmp + sizeof(struct bmp_file));
+ if (dib->size < sizeof(struct bmp_dib))
+ return EFI_UNSUPPORTED;
+
+ switch (dib->depth) {
+ case 1:
+ case 4:
+ case 8:
+ case 24:
+ if (dib->compression != 0)
+ return EFI_UNSUPPORTED;
+
+ break;
+
+ case 16:
+ case 32:
+ if (dib->compression != 0 && dib->compression != 3)
+ return EFI_UNSUPPORTED;
+
+ break;
+
+ default:
+ return EFI_UNSUPPORTED;
+ }
+
+ row_size = (((dib->depth * dib->x) + 31) / 32) * 4;
+ if (file->size - file->offset < dib->y * row_size)
+ return EFI_INVALID_PARAMETER;
+ if (row_size * dib->y > 64 * 1024 * 1024)
+ return EFI_INVALID_PARAMETER;
+
+ /* check color table */
+ map = (struct bmp_map *)(bmp + sizeof(struct bmp_file) + dib->size);
+ if (file->offset < sizeof(struct bmp_file) + dib->size)
+ return EFI_INVALID_PARAMETER;
+
+ if (file->offset > sizeof(struct bmp_file) + dib->size) {
+ UINT32 map_count;
+ UINTN map_size;
+
+ if (dib->colors_used)
+ map_count = dib->colors_used;
+ else {
+ switch (dib->depth) {
+ case 1:
+ case 4:
+ case 8:
+ map_count = 1 << dib->depth;
+ break;
+
+ default:
+ map_count = 0;
+ break;
+ }
+ }
+
+ map_size = file->offset - (sizeof(struct bmp_file) + dib->size);
+ if (map_size != sizeof(struct bmp_map) * map_count)
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *ret_map = map;
+ *ret_dib = dib;
+ *pixmap = bmp + file->offset;
+
+ return EFI_SUCCESS;
+}
+
+static VOID pixel_blend(UINT32 *dst, const UINT32 source) {
+ UINT32 alpha, src, src_rb, src_g, dst_rb, dst_g, rb, g;
+
+ alpha = (source & 0xff);
+
+ /* convert src from RGBA to XRGB */
+ src = source >> 8;
+
+ /* decompose into RB and G components */
+ src_rb = (src & 0xff00ff);
+ src_g = (src & 0x00ff00);
+
+ dst_rb = (*dst & 0xff00ff);
+ dst_g = (*dst & 0x00ff00);
+
+ /* blend */
+ rb = ((((src_rb - dst_rb) * alpha + 0x800080) >> 8) + dst_rb) & 0xff00ff;
+ g = ((((src_g - dst_g) * alpha + 0x008000) >> 8) + dst_g) & 0x00ff00;
+
+ *dst = (rb | g);
+}
+
+EFI_STATUS bmp_to_blt(EFI_GRAPHICS_OUTPUT_BLT_PIXEL *buf,
+ struct bmp_dib *dib, struct bmp_map *map,
+ UINT8 *pixmap) {
+ UINT8 *in;
+ UINTN y;
+
+ /* transform and copy pixels */
+ in = pixmap;
+ for (y = 0; y < dib->y; y++) {
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *out;
+ UINTN row_size;
+ UINTN x;
+
+ out = &buf[(dib->y - y - 1) * dib->x];
+ for (x = 0; x < dib->x; x++, in++, out++) {
+ switch (dib->depth) {
+ case 1: {
+ UINTN i;
+
+ for (i = 0; i < 8 && x < dib->x; i++) {
+ out->Red = map[((*in) >> (7 - i)) & 1].red;
+ out->Green = map[((*in) >> (7 - i)) & 1].green;
+ out->Blue = map[((*in) >> (7 - i)) & 1].blue;
+ out++;
+ x++;
+ }
+ out--;
+ x--;
+ break;
+ }
+
+ case 4: {
+ UINTN i;
+
+ i = (*in) >> 4;
+ out->Red = map[i].red;
+ out->Green = map[i].green;
+ out->Blue = map[i].blue;
+ if (x < (dib->x - 1)) {
+ out++;
+ x++;
+ i = (*in) & 0x0f;
+ out->Red = map[i].red;
+ out->Green = map[i].green;
+ out->Blue = map[i].blue;
+ }
+ break;
+ }
+
+ case 8:
+ out->Red = map[*in].red;
+ out->Green = map[*in].green;
+ out->Blue = map[*in].blue;
+ break;
+
+ case 16: {
+ UINT16 i = *(UINT16 *) in;
+
+ out->Red = (i & 0x7c00) >> 7;
+ out->Green = (i & 0x3e0) >> 2;
+ out->Blue = (i & 0x1f) << 3;
+ in += 1;
+ break;
+ }
+
+ case 24:
+ out->Red = in[2];
+ out->Green = in[1];
+ out->Blue = in[0];
+ in += 2;
+ break;
+
+ case 32: {
+ UINT32 i = *(UINT32 *) in;
+
+ pixel_blend((UINT32 *)out, i);
+
+ in += 3;
+ break;
+ }
+ }
+ }
+
+ /* add row padding; new lines always start at 32 bit boundary */
+ row_size = in - pixmap;
+ in += ((row_size + 3) & ~3) - row_size;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS graphics_splash(EFI_FILE *root_dir, CHAR16 *path,
+ const EFI_GRAPHICS_OUTPUT_BLT_PIXEL *background) {
+ EFI_GUID GraphicsOutputProtocolGuid = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput = NULL;
+ UINT8 *content;
+ INTN len;
+ struct bmp_dib *dib;
+ struct bmp_map *map;
+ UINT8 *pixmap;
+ UINT64 blt_size;
+ VOID *blt = NULL;
+ UINTN x_pos = 0;
+ UINTN y_pos = 0;
+ EFI_STATUS err;
+
+ err = LibLocateProtocol(&GraphicsOutputProtocolGuid, (VOID **)&GraphicsOutput);
+ if (EFI_ERROR(err))
+ return err;
+
+ len = file_read(root_dir, path, 0, 0, &content);
+ if (len < 0)
+ return EFI_LOAD_ERROR;
+
+ err = bmp_parse_header(content, len, &dib, &map, &pixmap);
+ if (EFI_ERROR(err))
+ goto err;
+
+ if(dib->x < GraphicsOutput->Mode->Info->HorizontalResolution)
+ x_pos = (GraphicsOutput->Mode->Info->HorizontalResolution - dib->x) / 2;
+ if(dib->y < GraphicsOutput->Mode->Info->VerticalResolution)
+ y_pos = (GraphicsOutput->Mode->Info->VerticalResolution - dib->y) / 2;
+
+ uefi_call_wrapper(GraphicsOutput->Blt, 10, GraphicsOutput,
+ (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)background,
+ EfiBltVideoFill, 0, 0, 0, 0,
+ GraphicsOutput->Mode->Info->HorizontalResolution,
+ GraphicsOutput->Mode->Info->VerticalResolution, 0);
+
+ /* EFI buffer */
+ blt_size = dib->x * dib->y * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
+ blt = AllocatePool(blt_size);
+ if (!blt)
+ return EFI_OUT_OF_RESOURCES;
+
+ err = uefi_call_wrapper(GraphicsOutput->Blt, 10, GraphicsOutput,
+ blt, EfiBltVideoToBltBuffer, x_pos, y_pos, 0, 0,
+ dib->x, dib->y, 0);
+ if (EFI_ERROR(err))
+ goto err;
+
+ err = bmp_to_blt(blt, dib, map, pixmap);
+ if (EFI_ERROR(err))
+ goto err;
+
+ err = graphics_mode(TRUE);
+ if (EFI_ERROR(err))
+ goto err;
+
+ err = uefi_call_wrapper(GraphicsOutput->Blt, 10, GraphicsOutput,
+ blt, EfiBltBufferToVideo, 0, 0, x_pos, y_pos,
+ dib->x, dib->y, 0);
+err:
+ FreePool(blt);
+ FreePool(content);
+ return err;
+}
diff --git a/src/sd-boot/graphics.h b/src/sd-boot/graphics.h
new file mode 100644
index 0000000000..8665afde97
--- /dev/null
+++ b/src/sd-boot/graphics.h
@@ -0,0 +1,26 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Copyright (C) 2012-2013 Kay Sievers <kay@vrfy.org>
+ * Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
+ * Copyright (C) 2013 Intel Corporation
+ * Authored by Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
+ */
+
+#ifndef __SDBOOT_GRAPHICS_H
+#define __SDBOOT_GRAPHICS_H
+
+EFI_STATUS graphics_mode(BOOLEAN on);
+EFI_STATUS graphics_splash(EFI_FILE *root_dir, CHAR16 *path,
+ const EFI_GRAPHICS_OUTPUT_BLT_PIXEL *background);
+#endif
diff --git a/src/sd-boot/linux.c b/src/sd-boot/linux.c
new file mode 100644
index 0000000000..809c69310e
--- /dev/null
+++ b/src/sd-boot/linux.c
@@ -0,0 +1,130 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Copyright (C) 2015 Kay Sievers <kay@vrfy.org>
+ */
+
+#include <efi.h>
+#include <efilib.h>
+
+#include "util.h"
+#include "linux.h"
+
+#define SETUP_MAGIC 0x53726448 /* "HdrS" */
+struct SetupHeader {
+ UINT8 boot_sector[0x01f1];
+ UINT8 setup_secs;
+ UINT16 root_flags;
+ UINT32 sys_size;
+ UINT16 ram_size;
+ UINT16 video_mode;
+ UINT16 root_dev;
+ UINT16 signature;
+ UINT16 jump;
+ UINT32 header;
+ UINT16 version;
+ UINT16 su_switch;
+ UINT16 setup_seg;
+ UINT16 start_sys;
+ UINT16 kernel_ver;
+ UINT8 loader_id;
+ UINT8 load_flags;
+ UINT16 movesize;
+ UINT32 code32_start;
+ UINT32 ramdisk_start;
+ UINT32 ramdisk_len;
+ UINT32 bootsect_kludge;
+ UINT16 heap_end;
+ UINT8 ext_loader_ver;
+ UINT8 ext_loader_type;
+ UINT32 cmd_line_ptr;
+ UINT32 ramdisk_max;
+ UINT32 kernel_alignment;
+ UINT8 relocatable_kernel;
+ UINT8 min_alignment;
+ UINT16 xloadflags;
+ UINT32 cmdline_size;
+ UINT32 hardware_subarch;
+ UINT64 hardware_subarch_data;
+ UINT32 payload_offset;
+ UINT32 payload_length;
+ UINT64 setup_data;
+ UINT64 pref_address;
+ UINT32 init_size;
+ UINT32 handover_offset;
+} __attribute__((packed));
+
+#ifdef __x86_64__
+typedef VOID(*handover_f)(VOID *image, EFI_SYSTEM_TABLE *table, struct SetupHeader *setup);
+static inline VOID linux_efi_handover(EFI_HANDLE image, struct SetupHeader *setup) {
+ handover_f handover;
+
+ asm volatile ("cli");
+ handover = (handover_f)((UINTN)setup->code32_start + 512 + setup->handover_offset);
+ handover(image, ST, setup);
+}
+#else
+typedef VOID(*handover_f)(VOID *image, EFI_SYSTEM_TABLE *table, struct SetupHeader *setup) __attribute__((regparm(0)));
+static inline VOID linux_efi_handover(EFI_HANDLE image, struct SetupHeader *setup) {
+ handover_f handover;
+
+ handover = (handover_f)((UINTN)setup->code32_start + setup->handover_offset);
+ handover(image, ST, setup);
+}
+#endif
+
+EFI_STATUS linux_exec(EFI_HANDLE *image,
+ CHAR8 *cmdline, UINTN cmdline_len,
+ UINTN linux_addr,
+ UINTN initrd_addr, UINTN initrd_size) {
+ struct SetupHeader *image_setup;
+ struct SetupHeader *boot_setup;
+ EFI_PHYSICAL_ADDRESS addr;
+ EFI_STATUS err;
+
+ image_setup = (struct SetupHeader *)(linux_addr);
+ if (image_setup->signature != 0xAA55 || image_setup->header != SETUP_MAGIC)
+ return EFI_LOAD_ERROR;
+
+ if (image_setup->version < 0x20b || !image_setup->relocatable_kernel)
+ return EFI_LOAD_ERROR;
+
+ addr = 0x3fffffff;
+ err = uefi_call_wrapper(BS->AllocatePages, 4, AllocateMaxAddress, EfiLoaderData,
+ EFI_SIZE_TO_PAGES(0x4000), &addr);
+ if (EFI_ERROR(err))
+ return err;
+ boot_setup = (struct SetupHeader *)(UINTN)addr;
+ ZeroMem(boot_setup, 0x4000);
+ CopyMem(boot_setup, image_setup, sizeof(struct SetupHeader));
+ boot_setup->loader_id = 0xff;
+
+ boot_setup->code32_start = (UINT32)linux_addr + (image_setup->setup_secs+1) * 512;
+
+ if (cmdline) {
+ addr = 0xA0000;
+ err = uefi_call_wrapper(BS->AllocatePages, 4, AllocateMaxAddress, EfiLoaderData,
+ EFI_SIZE_TO_PAGES(cmdline_len + 1), &addr);
+ if (EFI_ERROR(err))
+ return err;
+ CopyMem((VOID *)(UINTN)addr, cmdline, cmdline_len);
+ ((CHAR8 *)addr)[cmdline_len] = 0;
+ boot_setup->cmd_line_ptr = (UINT32)addr;
+ }
+
+ boot_setup->ramdisk_start = (UINT32)initrd_addr;
+ boot_setup->ramdisk_len = (UINT32)initrd_size;
+
+ linux_efi_handover(image, boot_setup);
+ return EFI_LOAD_ERROR;
+}
diff --git a/src/sd-boot/linux.h b/src/sd-boot/linux.h
new file mode 100644
index 0000000000..aff69a9778
--- /dev/null
+++ b/src/sd-boot/linux.h
@@ -0,0 +1,24 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Copyright (C) 2015 Kay Sievers <kay@vrfy.org>
+ */
+
+#ifndef __SDBOOT_kernel_H
+#define __SDBOOT_kernel_H
+
+EFI_STATUS linux_exec(EFI_HANDLE *image,
+ CHAR8 *cmdline, UINTN cmdline_size,
+ UINTN linux_addr,
+ UINTN initrd_addr, UINTN initrd_size);
+#endif
diff --git a/src/sd-boot/pefile.c b/src/sd-boot/pefile.c
new file mode 100644
index 0000000000..e6fedbc929
--- /dev/null
+++ b/src/sd-boot/pefile.c
@@ -0,0 +1,172 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Copyright (C) 2015 Kay Sievers <kay@vrfy.org>
+ */
+
+#include <efi.h>
+#include <efilib.h>
+
+#include "util.h"
+#include "pefile.h"
+
+struct DosFileHeader {
+ UINT8 Magic[2];
+ UINT16 LastSize;
+ UINT16 nBlocks;
+ UINT16 nReloc;
+ UINT16 HdrSize;
+ UINT16 MinAlloc;
+ UINT16 MaxAlloc;
+ UINT16 ss;
+ UINT16 sp;
+ UINT16 Checksum;
+ UINT16 ip;
+ UINT16 cs;
+ UINT16 RelocPos;
+ UINT16 nOverlay;
+ UINT16 reserved[4];
+ UINT16 OEMId;
+ UINT16 OEMInfo;
+ UINT16 reserved2[10];
+ UINT32 ExeHeader;
+} __attribute__((packed));
+
+#define PE_HEADER_MACHINE_I386 0x014c
+#define PE_HEADER_MACHINE_X64 0x8664
+struct PeFileHeader {
+ UINT16 Machine;
+ UINT16 NumberOfSections;
+ UINT32 TimeDateStamp;
+ UINT32 PointerToSymbolTable;
+ UINT32 NumberOfSymbols;
+ UINT16 SizeOfOptionalHeader;
+ UINT16 Characteristics;
+} __attribute__((packed));
+
+struct PeSectionHeader {
+ UINT8 Name[8];
+ UINT32 VirtualSize;
+ UINT32 VirtualAddress;
+ UINT32 SizeOfRawData;
+ UINT32 PointerToRawData;
+ UINT32 PointerToRelocations;
+ UINT32 PointerToLinenumbers;
+ UINT16 NumberOfRelocations;
+ UINT16 NumberOfLinenumbers;
+ UINT32 Characteristics;
+} __attribute__((packed));
+
+
+EFI_STATUS pefile_locate_sections(EFI_FILE *dir, CHAR16 *path, CHAR8 **sections, UINTN *addrs, UINTN *offsets, UINTN *sizes) {
+ EFI_FILE_HANDLE handle;
+ struct DosFileHeader dos;
+ uint8_t magic[4];
+ struct PeFileHeader pe;
+ UINTN len;
+ UINTN i;
+ EFI_STATUS err;
+
+ err = uefi_call_wrapper(dir->Open, 5, dir, &handle, path, EFI_FILE_MODE_READ, 0ULL);
+ if (EFI_ERROR(err))
+ return err;
+
+ /* MS-DOS stub */
+ len = sizeof(dos);
+ err = uefi_call_wrapper(handle->Read, 3, handle, &len, &dos);
+ if (EFI_ERROR(err))
+ goto out;
+ if (len != sizeof(dos)) {
+ err = EFI_LOAD_ERROR;
+ goto out;
+ }
+
+ if (CompareMem(dos.Magic, "MZ", 2) != 0) {
+ err = EFI_LOAD_ERROR;
+ goto out;
+ }
+
+ err = uefi_call_wrapper(handle->SetPosition, 2, handle, dos.ExeHeader);
+ if (EFI_ERROR(err))
+ goto out;
+
+ /* PE header */
+ len = sizeof(magic);
+ err = uefi_call_wrapper(handle->Read, 3, handle, &len, &magic);
+ if (EFI_ERROR(err))
+ goto out;
+ if (len != sizeof(magic)) {
+ err = EFI_LOAD_ERROR;
+ goto out;
+ }
+
+ if (CompareMem(magic, "PE\0\0", 2) != 0) {
+ err = EFI_LOAD_ERROR;
+ goto out;
+ }
+
+ len = sizeof(pe);
+ err = uefi_call_wrapper(handle->Read, 3, handle, &len, &pe);
+ if (EFI_ERROR(err))
+ goto out;
+ if (len != sizeof(pe)) {
+ err = EFI_LOAD_ERROR;
+ goto out;
+ }
+
+ /* PE32+ Subsystem type */
+ if (pe.Machine != PE_HEADER_MACHINE_X64 &&
+ pe.Machine != PE_HEADER_MACHINE_I386) {
+ err = EFI_LOAD_ERROR;
+ goto out;
+ }
+
+ if (pe.NumberOfSections > 96) {
+ err = EFI_LOAD_ERROR;
+ goto out;
+ }
+
+ /* the sections start directly after the headers */
+ err = uefi_call_wrapper(handle->SetPosition, 2, handle, dos.ExeHeader + sizeof(magic) + sizeof(pe) + pe.SizeOfOptionalHeader);
+ if (EFI_ERROR(err))
+ goto out;
+
+ for (i = 0; i < pe.NumberOfSections; i++) {
+ struct PeSectionHeader sect;
+ UINTN j;
+
+ len = sizeof(sect);
+ err = uefi_call_wrapper(handle->Read, 3, handle, &len, &sect);
+ if (EFI_ERROR(err))
+ goto out;
+ if (len != sizeof(sect)) {
+ err = EFI_LOAD_ERROR;
+ goto out;
+ }
+ for (j = 0; sections[j]; j++) {
+ if (CompareMem(sect.Name, sections[j], strlena(sections[j])) != 0)
+ continue;
+
+ if (addrs)
+ addrs[j] = (UINTN)sect.VirtualAddress;
+ if (offsets)
+ offsets[j] = (UINTN)sect.PointerToRawData;
+ if (sizes)
+ sizes[j] = (UINTN)sect.VirtualSize;
+ }
+ }
+
+out:
+ uefi_call_wrapper(handle->Close, 1, handle);
+ return err;
+}
diff --git a/src/sd-boot/pefile.h b/src/sd-boot/pefile.h
new file mode 100644
index 0000000000..ca2f9a2508
--- /dev/null
+++ b/src/sd-boot/pefile.h
@@ -0,0 +1,22 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Copyright (C) 2015 Kay Sievers <kay@vrfy.org>
+ */
+
+#ifndef __SDBOOT_PEFILE_H
+#define __SDBOOT_PEFILE_H
+
+EFI_STATUS pefile_locate_sections(EFI_FILE *dir, CHAR16 *path,
+ CHAR8 **sections, UINTN *addrs, UINTN *offsets, UINTN *sizes);
+#endif
diff --git a/src/sd-boot/sd-boot.c b/src/sd-boot/sd-boot.c
new file mode 100644
index 0000000000..94039ead31
--- /dev/null
+++ b/src/sd-boot/sd-boot.c
@@ -0,0 +1,2023 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Copyright (C) 2012-2015 Kay Sievers <kay@vrfy.org>
+ * Copyright (C) 2012-2015 Harald Hoyer <harald@redhat.com>
+ */
+
+#include <efi.h>
+#include <efilib.h>
+
+#include "util.h"
+#include "console.h"
+#include "graphics.h"
+#include "pefile.h"
+#include "linux.h"
+
+#ifndef EFI_OS_INDICATIONS_BOOT_TO_FW_UI
+#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001ULL
+#endif
+
+/* magic string to find in the binary image */
+static const char __attribute__((used)) magic[] = "#### LoaderInfo: sd-boot " VERSION " ####";
+
+static const EFI_GUID global_guid = EFI_GLOBAL_VARIABLE;
+
+enum loader_type {
+ LOADER_UNDEFINED,
+ LOADER_EFI,
+ LOADER_LINUX
+};
+
+typedef struct {
+ CHAR16 *file;
+ CHAR16 *title_show;
+ CHAR16 *title;
+ CHAR16 *version;
+ CHAR16 *machine_id;
+ EFI_HANDLE *device;
+ enum loader_type type;
+ CHAR16 *loader;
+ CHAR16 *options;
+ CHAR16 *splash;
+ CHAR16 key;
+ EFI_STATUS (*call)(VOID);
+ BOOLEAN no_autoselect;
+ BOOLEAN non_unique;
+} ConfigEntry;
+
+typedef struct {
+ ConfigEntry **entries;
+ UINTN entry_count;
+ INTN idx_default;
+ INTN idx_default_efivar;
+ UINTN timeout_sec;
+ UINTN timeout_sec_config;
+ INTN timeout_sec_efivar;
+ CHAR16 *entry_default_pattern;
+ CHAR16 *splash;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *background;
+ CHAR16 *entry_oneshot;
+ CHAR16 *options_edit;
+ CHAR16 *entries_auto;
+} Config;
+
+static VOID cursor_left(UINTN *cursor, UINTN *first)
+{
+ if ((*cursor) > 0)
+ (*cursor)--;
+ else if ((*first) > 0)
+ (*first)--;
+}
+
+static VOID cursor_right(UINTN *cursor, UINTN *first, UINTN x_max, UINTN len)
+{
+ if ((*cursor)+1 < x_max)
+ (*cursor)++;
+ else if ((*first) + (*cursor) < len)
+ (*first)++;
+}
+
+static BOOLEAN line_edit(CHAR16 *line_in, CHAR16 **line_out, UINTN x_max, UINTN y_pos) {
+ CHAR16 *line;
+ UINTN size;
+ UINTN len;
+ UINTN first;
+ CHAR16 *print;
+ UINTN cursor;
+ UINTN clear;
+ BOOLEAN exit;
+ BOOLEAN enter;
+
+ if (!line_in)
+ line_in = L"";
+ size = StrLen(line_in) + 1024;
+ line = AllocatePool(size * sizeof(CHAR16));
+ StrCpy(line, line_in);
+ len = StrLen(line);
+ print = AllocatePool((x_max+1) * sizeof(CHAR16));
+
+ uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, TRUE);
+
+ first = 0;
+ cursor = 0;
+ clear = 0;
+ enter = FALSE;
+ exit = FALSE;
+ while (!exit) {
+ EFI_STATUS err;
+ UINT64 key;
+ UINTN i;
+
+ i = len - first;
+ if (i >= x_max-1)
+ i = x_max-1;
+ CopyMem(print, line + first, i * sizeof(CHAR16));
+ while (clear > 0 && i < x_max-1) {
+ clear--;
+ print[i++] = ' ';
+ }
+ print[i] = '\0';
+
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_pos);
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, print);
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
+
+ err = console_key_read(&key, TRUE);
+ if (EFI_ERROR(err))
+ continue;
+
+ switch (key) {
+ case KEYPRESS(0, SCAN_ESC, 0):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'c'):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'g'):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('c')):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('g')):
+ exit = TRUE;
+ break;
+
+ case KEYPRESS(0, SCAN_HOME, 0):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'a'):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('a')):
+ /* beginning-of-line */
+ cursor = 0;
+ first = 0;
+ continue;
+
+ case KEYPRESS(0, SCAN_END, 0):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'e'):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('e')):
+ /* end-of-line */
+ cursor = len - first;
+ if (cursor+1 >= x_max) {
+ cursor = x_max-1;
+ first = len - (x_max-1);
+ }
+ continue;
+
+ case KEYPRESS(0, SCAN_DOWN, 0):
+ case KEYPRESS(EFI_ALT_PRESSED, 0, 'f'):
+ case KEYPRESS(EFI_CONTROL_PRESSED, SCAN_RIGHT, 0):
+ /* forward-word */
+ while (line[first + cursor] && line[first + cursor] == ' ')
+ cursor_right(&cursor, &first, x_max, len);
+ while (line[first + cursor] && line[first + cursor] != ' ')
+ cursor_right(&cursor, &first, x_max, len);
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
+ continue;
+
+ case KEYPRESS(0, SCAN_UP, 0):
+ case KEYPRESS(EFI_ALT_PRESSED, 0, 'b'):
+ case KEYPRESS(EFI_CONTROL_PRESSED, SCAN_LEFT, 0):
+ /* backward-word */
+ if ((first + cursor) > 0 && line[first + cursor-1] == ' ') {
+ cursor_left(&cursor, &first);
+ while ((first + cursor) > 0 && line[first + cursor] == ' ')
+ cursor_left(&cursor, &first);
+ }
+ while ((first + cursor) > 0 && line[first + cursor-1] != ' ')
+ cursor_left(&cursor, &first);
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
+ continue;
+
+ case KEYPRESS(0, SCAN_RIGHT, 0):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'f'):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('f')):
+ /* forward-char */
+ if (first + cursor == len)
+ continue;
+ cursor_right(&cursor, &first, x_max, len);
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
+ continue;
+
+ case KEYPRESS(0, SCAN_LEFT, 0):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'b'):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('b')):
+ /* backward-char */
+ cursor_left(&cursor, &first);
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
+ continue;
+
+ case KEYPRESS(EFI_ALT_PRESSED, 0, 'd'):
+ /* kill-word */
+ clear = 0;
+ for (i = first + cursor; i < len && line[i] == ' '; i++)
+ clear++;
+ for (; i < len && line[i] != ' '; i++)
+ clear++;
+
+ for (i = first + cursor; i + clear < len; i++)
+ line[i] = line[i + clear];
+ len -= clear;
+ line[len] = '\0';
+ continue;
+
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'w'):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('w')):
+ case KEYPRESS(EFI_ALT_PRESSED, 0, CHAR_BACKSPACE):
+ /* backward-kill-word */
+ clear = 0;
+ if ((first + cursor) > 0 && line[first + cursor-1] == ' ') {
+ cursor_left(&cursor, &first);
+ clear++;
+ while ((first + cursor) > 0 && line[first + cursor] == ' ') {
+ cursor_left(&cursor, &first);
+ clear++;
+ }
+ }
+ while ((first + cursor) > 0 && line[first + cursor-1] != ' ') {
+ cursor_left(&cursor, &first);
+ clear++;
+ }
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
+
+ for (i = first + cursor; i + clear < len; i++)
+ line[i] = line[i + clear];
+ len -= clear;
+ line[len] = '\0';
+ continue;
+
+ case KEYPRESS(0, SCAN_DELETE, 0):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'd'):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('d')):
+ if (len == 0)
+ continue;
+ if (first + cursor == len)
+ continue;
+ for (i = first + cursor; i < len; i++)
+ line[i] = line[i+1];
+ clear = 1;
+ len--;
+ continue;
+
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'k'):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('k')):
+ /* kill-line */
+ line[first + cursor] = '\0';
+ clear = len - (first + cursor);
+ len = first + cursor;
+ continue;
+
+ case KEYPRESS(0, 0, CHAR_LINEFEED):
+ case KEYPRESS(0, 0, CHAR_CARRIAGE_RETURN):
+ if (StrCmp(line, line_in) != 0) {
+ *line_out = line;
+ line = NULL;
+ }
+ enter = TRUE;
+ exit = TRUE;
+ break;
+
+ case KEYPRESS(0, 0, CHAR_BACKSPACE):
+ if (len == 0)
+ continue;
+ if (first == 0 && cursor == 0)
+ continue;
+ for (i = first + cursor-1; i < len; i++)
+ line[i] = line[i+1];
+ clear = 1;
+ len--;
+ if (cursor > 0)
+ cursor--;
+ if (cursor > 0 || first == 0)
+ continue;
+ /* show full line if it fits */
+ if (len < x_max) {
+ cursor = first;
+ first = 0;
+ continue;
+ }
+ /* jump left to see what we delete */
+ if (first > 10) {
+ first -= 10;
+ cursor = 10;
+ } else {
+ cursor = first;
+ first = 0;
+ }
+ continue;
+
+ case KEYPRESS(0, 0, ' ') ... KEYPRESS(0, 0, '~'):
+ case KEYPRESS(0, 0, 0x80) ... KEYPRESS(0, 0, 0xffff):
+ if (len+1 == size)
+ continue;
+ for (i = len; i > first + cursor; i--)
+ line[i] = line[i-1];
+ line[first + cursor] = KEYCHAR(key);
+ len++;
+ line[len] = '\0';
+ if (cursor+1 < x_max)
+ cursor++;
+ else if (first + cursor < len)
+ first++;
+ continue;
+ }
+ }
+
+ uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE);
+ FreePool(print);
+ FreePool(line);
+ return enter;
+}
+
+static UINTN entry_lookup_key(Config *config, UINTN start, CHAR16 key) {
+ UINTN i;
+
+ if (key == 0)
+ return -1;
+
+ /* select entry by number key */
+ if (key >= '1' && key <= '9') {
+ i = key - '0';
+ if (i > config->entry_count)
+ i = config->entry_count;
+ return i-1;
+ }
+
+ /* find matching key in config entries */
+ for (i = start; i < config->entry_count; i++)
+ if (config->entries[i]->key == key)
+ return i;
+
+ for (i = 0; i < start; i++)
+ if (config->entries[i]->key == key)
+ return i;
+
+ return -1;
+}
+
+static VOID print_status(Config *config, EFI_FILE *root_dir, CHAR16 *loaded_image_path) {
+ UINT64 key;
+ UINTN i;
+ CHAR16 *s;
+ CHAR8 *b;
+ UINTN x;
+ UINTN y;
+ UINTN size;
+ EFI_STATUS err;
+ UINTN color = 0;
+ const EFI_GRAPHICS_OUTPUT_BLT_PIXEL *pixel = config->background;
+
+ uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
+ uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
+
+ /* show splash and wait for key */
+ for (;;) {
+ static const EFI_GRAPHICS_OUTPUT_BLT_PIXEL colors[] = {
+ { .Red = 0xff, .Green = 0xff, .Blue = 0xff },
+ { .Red = 0xc0, .Green = 0xc0, .Blue = 0xc0 },
+ { .Red = 0xff, .Green = 0, .Blue = 0 },
+ { .Red = 0, .Green = 0xff, .Blue = 0 },
+ { .Red = 0, .Green = 0, .Blue = 0xff },
+ { .Red = 0, .Green = 0, .Blue = 0 },
+ };
+
+ err = EFI_NOT_FOUND;
+ if (config->splash)
+ err = graphics_splash(root_dir, config->splash, pixel);
+ if (EFI_ERROR(err))
+ err = graphics_splash(root_dir, L"\\EFI\\systemd\\splash.bmp", pixel);
+ if (EFI_ERROR(err))
+ break;
+
+ /* 'b' rotates through background colors */
+ console_key_read(&key, TRUE);
+ if (key == KEYPRESS(0, 0, 'b')) {
+ pixel = &colors[color++];
+ if (color == ELEMENTSOF(colors))
+ color = 0;
+
+ continue;
+ }
+
+ graphics_mode(FALSE);
+ uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
+ break;
+ }
+
+ Print(L"sd-boot version: " VERSION "\n");
+ Print(L"architecture: " EFI_MACHINE_TYPE_NAME "\n");
+ Print(L"loaded image: %s\n", loaded_image_path);
+ Print(L"UEFI specification: %d.%02d\n", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff);
+ Print(L"firmware vendor: %s\n", ST->FirmwareVendor);
+ Print(L"firmware version: %d.%02d\n", ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
+
+ if (uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &x, &y) == EFI_SUCCESS)
+ Print(L"console size: %d x %d\n", x, y);
+
+ if (efivar_get_raw(&global_guid, L"SecureBoot", &b, &size) == EFI_SUCCESS) {
+ Print(L"SecureBoot: %s\n", *b > 0 ? L"enabled" : L"disabled");
+ FreePool(b);
+ }
+
+ if (efivar_get_raw(&global_guid, L"SetupMode", &b, &size) == EFI_SUCCESS) {
+ Print(L"SetupMode: %s\n", *b > 0 ? L"setup" : L"user");
+ FreePool(b);
+ }
+
+ if (efivar_get_raw(&global_guid, L"OsIndicationsSupported", &b, &size) == EFI_SUCCESS) {
+ Print(L"OsIndicationsSupported: %d\n", (UINT64)*b);
+ FreePool(b);
+ }
+ Print(L"\n");
+
+ Print(L"timeout: %d\n", config->timeout_sec);
+ if (config->timeout_sec_efivar >= 0)
+ Print(L"timeout (EFI var): %d\n", config->timeout_sec_efivar);
+ Print(L"timeout (config): %d\n", config->timeout_sec_config);
+ if (config->entry_default_pattern)
+ Print(L"default pattern: '%s'\n", config->entry_default_pattern);
+ if (config->splash)
+ Print(L"splash '%s'\n", config->splash);
+ if (config->background)
+ Print(L"background '#%02x%02x%02x'\n",
+ config->background->Red,
+ config->background->Green,
+ config->background->Blue);
+ Print(L"\n");
+
+ Print(L"config entry count: %d\n", config->entry_count);
+ Print(L"entry selected idx: %d\n", config->idx_default);
+ if (config->idx_default_efivar >= 0)
+ Print(L"entry EFI var idx: %d\n", config->idx_default_efivar);
+ Print(L"\n");
+
+ if (efivar_get_int(L"LoaderConfigTimeout", &i) == EFI_SUCCESS)
+ Print(L"LoaderConfigTimeout: %d\n", i);
+ if (config->entry_oneshot)
+ Print(L"LoaderEntryOneShot: %s\n", config->entry_oneshot);
+ if (efivar_get(L"LoaderDeviceIdentifier", &s) == EFI_SUCCESS) {
+ Print(L"LoaderDeviceIdentifier: %s\n", s);
+ FreePool(s);
+ }
+ if (efivar_get(L"LoaderDevicePartUUID", &s) == EFI_SUCCESS) {
+ Print(L"LoaderDevicePartUUID: %s\n", s);
+ FreePool(s);
+ }
+ if (efivar_get(L"LoaderEntryDefault", &s) == EFI_SUCCESS) {
+ Print(L"LoaderEntryDefault: %s\n", s);
+ FreePool(s);
+ }
+
+ Print(L"\n--- press key ---\n\n");
+ console_key_read(&key, TRUE);
+
+ for (i = 0; i < config->entry_count; i++) {
+ ConfigEntry *entry;
+
+ if (key == KEYPRESS(0, SCAN_ESC, 0) || key == KEYPRESS(0, 0, 'q'))
+ break;
+
+ entry = config->entries[i];
+
+ if (entry->splash) {
+ err = graphics_splash(root_dir, entry->splash, config->background);
+ if (!EFI_ERROR(err)) {
+ console_key_read(&key, TRUE);
+ graphics_mode(FALSE);
+ }
+ }
+
+ Print(L"config entry: %d/%d\n", i+1, config->entry_count);
+ if (entry->file)
+ Print(L"file '%s'\n", entry->file);
+ Print(L"title show '%s'\n", entry->title_show);
+ if (entry->title)
+ Print(L"title '%s'\n", entry->title);
+ if (entry->version)
+ Print(L"version '%s'\n", entry->version);
+ if (entry->machine_id)
+ Print(L"machine-id '%s'\n", entry->machine_id);
+ if (entry->device) {
+ EFI_DEVICE_PATH *device_path;
+ CHAR16 *str;
+
+ device_path = DevicePathFromHandle(entry->device);
+ if (device_path) {
+ str = DevicePathToStr(device_path);
+ Print(L"device handle '%s'\n", str);
+ FreePool(str);
+ }
+ }
+ if (entry->loader)
+ Print(L"loader '%s'\n", entry->loader);
+ if (entry->options)
+ Print(L"options '%s'\n", entry->options);
+ if (entry->splash)
+ Print(L"splash '%s'\n", entry->splash);
+ Print(L"auto-select %s\n", entry->no_autoselect ? L"no" : L"yes");
+ if (entry->call)
+ Print(L"internal call yes\n");
+
+ Print(L"\n--- press key ---\n\n");
+ console_key_read(&key, TRUE);
+ }
+
+ uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
+}
+
+static BOOLEAN menu_run(Config *config, ConfigEntry **chosen_entry, EFI_FILE *root_dir, CHAR16 *loaded_image_path) {
+ EFI_STATUS err;
+ UINTN visible_max;
+ UINTN idx_highlight;
+ UINTN idx_highlight_prev;
+ UINTN idx_first;
+ UINTN idx_last;
+ BOOLEAN refresh;
+ BOOLEAN highlight;
+ UINTN i;
+ UINTN line_width;
+ CHAR16 **lines;
+ UINTN x_start;
+ UINTN y_start;
+ UINTN x_max;
+ UINTN y_max;
+ CHAR16 *status;
+ CHAR16 *clearline;
+ INTN timeout_remain;
+ INT16 idx;
+ BOOLEAN exit = FALSE;
+ BOOLEAN run = TRUE;
+ BOOLEAN wait = FALSE;
+
+ graphics_mode(FALSE);
+ uefi_call_wrapper(ST->ConIn->Reset, 2, ST->ConIn, FALSE);
+ uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE);
+ uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
+
+ /* draw a single character to make ClearScreen work on some firmware */
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L" ");
+ uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
+
+ err = uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &x_max, &y_max);
+ if (EFI_ERROR(err)) {
+ x_max = 80;
+ y_max = 25;
+ }
+
+ /* we check 10 times per second for a keystroke */
+ if (config->timeout_sec > 0)
+ timeout_remain = config->timeout_sec * 10;
+ else
+ timeout_remain = -1;
+
+ idx_highlight = config->idx_default;
+ idx_highlight_prev = 0;
+
+ visible_max = y_max - 2;
+
+ if ((UINTN)config->idx_default >= visible_max)
+ idx_first = config->idx_default-1;
+ else
+ idx_first = 0;
+
+ idx_last = idx_first + visible_max-1;
+
+ refresh = TRUE;
+ highlight = FALSE;
+
+ /* length of the longest entry */
+ line_width = 5;
+ for (i = 0; i < config->entry_count; i++) {
+ UINTN entry_len;
+
+ entry_len = StrLen(config->entries[i]->title_show);
+ if (line_width < entry_len)
+ line_width = entry_len;
+ }
+ if (line_width > x_max-6)
+ line_width = x_max-6;
+
+ /* offsets to center the entries on the screen */
+ x_start = (x_max - (line_width)) / 2;
+ if (config->entry_count < visible_max)
+ y_start = ((visible_max - config->entry_count) / 2) + 1;
+ else
+ y_start = 0;
+
+ /* menu entries title lines */
+ lines = AllocatePool(sizeof(CHAR16 *) * config->entry_count);
+ for (i = 0; i < config->entry_count; i++) {
+ UINTN j, k;
+
+ lines[i] = AllocatePool(((x_max+1) * sizeof(CHAR16)));
+ for (j = 0; j < x_start; j++)
+ lines[i][j] = ' ';
+
+ for (k = 0; config->entries[i]->title_show[k] != '\0' && j < x_max; j++, k++)
+ lines[i][j] = config->entries[i]->title_show[k];
+
+ for (; j < x_max; j++)
+ lines[i][j] = ' ';
+ lines[i][x_max] = '\0';
+ }
+
+ status = NULL;
+ clearline = AllocatePool((x_max+1) * sizeof(CHAR16));
+ for (i = 0; i < x_max; i++)
+ clearline[i] = ' ';
+ clearline[i] = 0;
+
+ while (!exit) {
+ UINT64 key;
+
+ if (refresh) {
+ for (i = 0; i < config->entry_count; i++) {
+ if (i < idx_first || i > idx_last)
+ continue;
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + i - idx_first);
+ if (i == idx_highlight)
+ uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut,
+ EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY);
+ else
+ uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut,
+ EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[i]);
+ if ((INTN)i == config->idx_default_efivar) {
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + i - idx_first);
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
+ }
+ }
+ refresh = FALSE;
+ } else if (highlight) {
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight_prev - idx_first);
+ uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight_prev]);
+ if ((INTN)idx_highlight_prev == config->idx_default_efivar) {
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight_prev - idx_first);
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
+ }
+
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight - idx_first);
+ uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY);
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight]);
+ if ((INTN)idx_highlight == config->idx_default_efivar) {
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight - idx_first);
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
+ }
+ highlight = FALSE;
+ }
+
+ if (timeout_remain > 0) {
+ FreePool(status);
+ status = PoolPrint(L"Boot in %d sec.", (timeout_remain + 5) / 10);
+ }
+
+ /* print status at last line of screen */
+ if (status) {
+ UINTN len;
+ UINTN x;
+
+ /* center line */
+ len = StrLen(status);
+ if (len < x_max)
+ x = (x_max - len) / 2;
+ else
+ x = 0;
+ uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline + (x_max - x));
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, status);
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1 + x + len);
+ }
+
+ err = console_key_read(&key, wait);
+ if (EFI_ERROR(err)) {
+ /* timeout reached */
+ if (timeout_remain == 0) {
+ exit = TRUE;
+ break;
+ }
+
+ /* sleep and update status */
+ if (timeout_remain > 0) {
+ uefi_call_wrapper(BS->Stall, 1, 100 * 1000);
+ timeout_remain--;
+ continue;
+ }
+
+ /* timeout disabled, wait for next key */
+ wait = TRUE;
+ continue;
+ }
+
+ timeout_remain = -1;
+
+ /* clear status after keystroke */
+ if (status) {
+ FreePool(status);
+ status = NULL;
+ uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
+ }
+
+ idx_highlight_prev = idx_highlight;
+
+ switch (key) {
+ case KEYPRESS(0, SCAN_UP, 0):
+ case KEYPRESS(0, 0, 'k'):
+ if (idx_highlight > 0)
+ idx_highlight--;
+ break;
+
+ case KEYPRESS(0, SCAN_DOWN, 0):
+ case KEYPRESS(0, 0, 'j'):
+ if (idx_highlight < config->entry_count-1)
+ idx_highlight++;
+ break;
+
+ case KEYPRESS(0, SCAN_HOME, 0):
+ case KEYPRESS(EFI_ALT_PRESSED, 0, '<'):
+ if (idx_highlight > 0) {
+ refresh = TRUE;
+ idx_highlight = 0;
+ }
+ break;
+
+ case KEYPRESS(0, SCAN_END, 0):
+ case KEYPRESS(EFI_ALT_PRESSED, 0, '>'):
+ if (idx_highlight < config->entry_count-1) {
+ refresh = TRUE;
+ idx_highlight = config->entry_count-1;
+ }
+ break;
+
+ case KEYPRESS(0, SCAN_PAGE_UP, 0):
+ if (idx_highlight > visible_max)
+ idx_highlight -= visible_max;
+ else
+ idx_highlight = 0;
+ break;
+
+ case KEYPRESS(0, SCAN_PAGE_DOWN, 0):
+ idx_highlight += visible_max;
+ if (idx_highlight > config->entry_count-1)
+ idx_highlight = config->entry_count-1;
+ break;
+
+ case KEYPRESS(0, 0, CHAR_LINEFEED):
+ case KEYPRESS(0, 0, CHAR_CARRIAGE_RETURN):
+ exit = TRUE;
+ break;
+
+ case KEYPRESS(0, SCAN_F1, 0):
+ case KEYPRESS(0, 0, 'h'):
+ case KEYPRESS(0, 0, '?'):
+ status = StrDuplicate(L"(d)efault, (t/T)timeout, (e)dit, (v)ersion (Q)uit (P)rint (h)elp");
+ break;
+
+ case KEYPRESS(0, 0, 'Q'):
+ exit = TRUE;
+ run = FALSE;
+ break;
+
+ case KEYPRESS(0, 0, 'd'):
+ if (config->idx_default_efivar != (INTN)idx_highlight) {
+ /* store the selected entry in a persistent EFI variable */
+ efivar_set(L"LoaderEntryDefault", config->entries[idx_highlight]->file, TRUE);
+ config->idx_default_efivar = idx_highlight;
+ status = StrDuplicate(L"Default boot entry selected.");
+ } else {
+ /* clear the default entry EFI variable */
+ efivar_set(L"LoaderEntryDefault", NULL, TRUE);
+ config->idx_default_efivar = -1;
+ status = StrDuplicate(L"Default boot entry cleared.");
+ }
+ refresh = TRUE;
+ break;
+
+ case KEYPRESS(0, 0, '-'):
+ case KEYPRESS(0, 0, 'T'):
+ if (config->timeout_sec_efivar > 0) {
+ config->timeout_sec_efivar--;
+ efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE);
+ if (config->timeout_sec_efivar > 0)
+ status = PoolPrint(L"Menu timeout set to %d sec.", config->timeout_sec_efivar);
+ else
+ status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
+ } else if (config->timeout_sec_efivar <= 0){
+ config->timeout_sec_efivar = -1;
+ efivar_set(L"LoaderConfigTimeout", NULL, TRUE);
+ if (config->timeout_sec_config > 0)
+ status = PoolPrint(L"Menu timeout of %d sec is defined by configuration file.",
+ config->timeout_sec_config);
+ else
+ status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
+ }
+ break;
+
+ case KEYPRESS(0, 0, '+'):
+ case KEYPRESS(0, 0, 't'):
+ if (config->timeout_sec_efivar == -1 && config->timeout_sec_config == 0)
+ config->timeout_sec_efivar++;
+ config->timeout_sec_efivar++;
+ efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE);
+ if (config->timeout_sec_efivar > 0)
+ status = PoolPrint(L"Menu timeout set to %d sec.",
+ config->timeout_sec_efivar);
+ else
+ status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
+ break;
+
+ case KEYPRESS(0, 0, 'e'):
+ /* only the options of configured entries can be edited */
+ if (config->entries[idx_highlight]->type == LOADER_UNDEFINED)
+ break;
+ uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
+ if (line_edit(config->entries[idx_highlight]->options, &config->options_edit, x_max-1, y_max-1))
+ exit = TRUE;
+ uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
+ uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
+ break;
+
+ case KEYPRESS(0, 0, 'v'):
+ status = PoolPrint(L"sd-boot " VERSION " (" EFI_MACHINE_TYPE_NAME "), UEFI Specification %d.%02d, Vendor %s %d.%02d",
+ ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff,
+ ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
+ break;
+
+ case KEYPRESS(0, 0, 'P'):
+ print_status(config, root_dir, loaded_image_path);
+ refresh = TRUE;
+ break;
+
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'l'):
+ case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('l')):
+ refresh = TRUE;
+ break;
+
+ default:
+ /* jump with a hotkey directly to a matching entry */
+ idx = entry_lookup_key(config, idx_highlight+1, KEYCHAR(key));
+ if (idx < 0)
+ break;
+ idx_highlight = idx;
+ refresh = TRUE;
+ }
+
+ if (idx_highlight > idx_last) {
+ idx_last = idx_highlight;
+ idx_first = 1 + idx_highlight - visible_max;
+ refresh = TRUE;
+ }
+ if (idx_highlight < idx_first) {
+ idx_first = idx_highlight;
+ idx_last = idx_highlight + visible_max-1;
+ refresh = TRUE;
+ }
+
+ idx_last = idx_first + visible_max-1;
+
+ if (!refresh && idx_highlight != idx_highlight_prev)
+ highlight = TRUE;
+ }
+
+ *chosen_entry = config->entries[idx_highlight];
+
+ for (i = 0; i < config->entry_count; i++)
+ FreePool(lines[i]);
+ FreePool(lines);
+ FreePool(clearline);
+
+ uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_WHITE|EFI_BACKGROUND_BLACK);
+ uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
+ return run;
+}
+
+static VOID config_add_entry(Config *config, ConfigEntry *entry) {
+ if ((config->entry_count & 15) == 0) {
+ UINTN i;
+
+ i = config->entry_count + 16;
+ if (config->entry_count == 0)
+ config->entries = AllocatePool(sizeof(VOID *) * i);
+ else
+ config->entries = ReallocatePool(config->entries,
+ sizeof(VOID *) * config->entry_count, sizeof(VOID *) * i);
+ }
+ config->entries[config->entry_count++] = entry;
+}
+
+static VOID config_entry_free(ConfigEntry *entry) {
+ FreePool(entry->title_show);
+ FreePool(entry->title);
+ FreePool(entry->machine_id);
+ FreePool(entry->loader);
+ FreePool(entry->options);
+}
+
+static BOOLEAN is_digit(CHAR16 c)
+{
+ return (c >= '0') && (c <= '9');
+}
+
+static UINTN c_order(CHAR16 c)
+{
+ if (c == '\0')
+ return 0;
+ if (is_digit(c))
+ return 0;
+ else if ((c >= 'a') && (c <= 'z'))
+ return c;
+ else
+ return c + 0x10000;
+}
+
+static INTN str_verscmp(CHAR16 *s1, CHAR16 *s2)
+{
+ CHAR16 *os1 = s1;
+ CHAR16 *os2 = s2;
+
+ while (*s1 || *s2) {
+ INTN first;
+
+ while ((*s1 && !is_digit(*s1)) || (*s2 && !is_digit(*s2))) {
+ INTN order;
+
+ order = c_order(*s1) - c_order(*s2);
+ if (order)
+ return order;
+ s1++;
+ s2++;
+ }
+
+ while (*s1 == '0')
+ s1++;
+ while (*s2 == '0')
+ s2++;
+
+ first = 0;
+ while (is_digit(*s1) && is_digit(*s2)) {
+ if (first == 0)
+ first = *s1 - *s2;
+ s1++;
+ s2++;
+ }
+
+ if (is_digit(*s1))
+ return 1;
+ if (is_digit(*s2))
+ return -1;
+
+ if (first)
+ return first;
+ }
+
+ return StrCmp(os1, os2);
+}
+
+static CHAR8 *line_get_key_value(CHAR8 *content, CHAR8 *sep, UINTN *pos, CHAR8 **key_ret, CHAR8 **value_ret) {
+ CHAR8 *line;
+ UINTN linelen;
+ CHAR8 *value;
+
+skip:
+ line = content + *pos;
+ if (*line == '\0')
+ return NULL;
+
+ linelen = 0;
+ while (line[linelen] && !strchra((CHAR8 *)"\n\r", line[linelen]))
+ linelen++;
+
+ /* move pos to next line */
+ *pos += linelen;
+ if (content[*pos])
+ (*pos)++;
+
+ /* empty line */
+ if (linelen == 0)
+ goto skip;
+
+ /* terminate line */
+ line[linelen] = '\0';
+
+ /* remove leading whitespace */
+ while (strchra((CHAR8 *)" \t", *line)) {
+ line++;
+ linelen--;
+ }
+
+ /* remove trailing whitespace */
+ while (linelen > 0 && strchra(sep, line[linelen-1]))
+ linelen--;
+ line[linelen] = '\0';
+
+ if (*line == '#')
+ goto skip;
+
+ /* split key/value */
+ value = line;
+ while (*value && !strchra(sep, *value))
+ value++;
+ if (*value == '\0')
+ goto skip;
+ *value = '\0';
+ value++;
+ while (*value && strchra(sep, *value))
+ value++;
+
+ /* unquote */
+ if (value[0] == '\"' && line[linelen-1] == '\"') {
+ value++;
+ line[linelen-1] = '\0';
+ }
+
+ *key_ret = line;
+ *value_ret = value;
+ return line;
+}
+
+static VOID config_defaults_load_from_file(Config *config, CHAR8 *content) {
+ CHAR8 *line;
+ UINTN pos = 0;
+ CHAR8 *key, *value;
+
+ line = content;
+ while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
+ if (strcmpa((CHAR8 *)"timeout", key) == 0) {
+ CHAR16 *s;
+
+ s = stra_to_str(value);
+ config->timeout_sec_config = Atoi(s);
+ config->timeout_sec = config->timeout_sec_config;
+ FreePool(s);
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"default", key) == 0) {
+ FreePool(config->entry_default_pattern);
+ config->entry_default_pattern = stra_to_str(value);
+ StrLwr(config->entry_default_pattern);
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"splash", key) == 0) {
+ FreePool(config->splash);
+ config->splash = stra_to_path(value);
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"background", key) == 0) {
+ CHAR16 c[3];
+
+ /* accept #RRGGBB hex notation */
+ if (value[0] != '#')
+ continue;
+ if (value[7] != '\0')
+ continue;
+
+ FreePool(config->background);
+ config->background = AllocateZeroPool(sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
+ if (!config->background)
+ continue;
+
+ c[0] = value[1];
+ c[1] = value[2];
+ c[2] = '\0';
+ config->background->Red = xtoi(c);
+
+ c[0] = value[3];
+ c[1] = value[4];
+ config->background->Green = xtoi(c);
+
+ c[0] = value[5];
+ c[1] = value[6];
+ config->background->Blue = xtoi(c);
+ continue;
+ }
+ }
+}
+
+static VOID config_entry_add_from_file(Config *config, EFI_HANDLE *device, CHAR16 *file, CHAR8 *content, CHAR16 *loaded_image_path) {
+ ConfigEntry *entry;
+ CHAR8 *line;
+ UINTN pos = 0;
+ CHAR8 *key, *value;
+ UINTN len;
+ CHAR16 *initrd = NULL;
+
+ entry = AllocateZeroPool(sizeof(ConfigEntry));
+
+ line = content;
+ while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
+ if (strcmpa((CHAR8 *)"title", key) == 0) {
+ FreePool(entry->title);
+ entry->title = stra_to_str(value);
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"version", key) == 0) {
+ FreePool(entry->version);
+ entry->version = stra_to_str(value);
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"machine-id", key) == 0) {
+ FreePool(entry->machine_id);
+ entry->machine_id = stra_to_str(value);
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"linux", key) == 0) {
+ FreePool(entry->loader);
+ entry->type = LOADER_LINUX;
+ entry->loader = stra_to_path(value);
+ entry->key = 'l';
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"efi", key) == 0) {
+ entry->type = LOADER_EFI;
+ FreePool(entry->loader);
+ entry->loader = stra_to_path(value);
+
+ /* do not add an entry for ourselves */
+ if (StriCmp(entry->loader, loaded_image_path) == 0) {
+ entry->type = LOADER_UNDEFINED;
+ break;
+ }
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"architecture", key) == 0) {
+ /* do not add an entry for an EFI image of architecture not matching with that of the image */
+ if (strcmpa((CHAR8 *)EFI_MACHINE_TYPE_NAME, value) != 0) {
+ entry->type = LOADER_UNDEFINED;
+ break;
+ }
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"initrd", key) == 0) {
+ CHAR16 *new;
+
+ new = stra_to_path(value);
+ if (initrd) {
+ CHAR16 *s;
+
+ s = PoolPrint(L"%s initrd=%s", initrd, new);
+ FreePool(initrd);
+ initrd = s;
+ } else
+ initrd = PoolPrint(L"initrd=%s", new);
+ FreePool(new);
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"options", key) == 0) {
+ CHAR16 *new;
+
+ new = stra_to_str(value);
+ if (entry->options) {
+ CHAR16 *s;
+
+ s = PoolPrint(L"%s %s", entry->options, new);
+ FreePool(entry->options);
+ entry->options = s;
+ } else {
+ entry->options = new;
+ new = NULL;
+ }
+ FreePool(new);
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"splash", key) == 0) {
+ FreePool(entry->splash);
+ entry->splash = stra_to_path(value);
+ continue;
+ }
+ }
+
+ if (entry->type == LOADER_UNDEFINED) {
+ config_entry_free(entry);
+ FreePool(initrd);
+ FreePool(entry);
+ return;
+ }
+
+ /* add initrd= to options */
+ if (entry->type == LOADER_LINUX && initrd) {
+ if (entry->options) {
+ CHAR16 *s;
+
+ s = PoolPrint(L"%s %s", initrd, entry->options);
+ FreePool(entry->options);
+ entry->options = s;
+ } else {
+ entry->options = initrd;
+ initrd = NULL;
+ }
+ }
+ FreePool(initrd);
+
+ if (entry->machine_id) {
+ CHAR16 *var;
+
+ /* append additional options from EFI variables for this machine-id */
+ var = PoolPrint(L"LoaderEntryOptions-%s", entry->machine_id);
+ if (var) {
+ CHAR16 *s;
+
+ if (efivar_get(var, &s) == EFI_SUCCESS) {
+ if (entry->options) {
+ CHAR16 *s2;
+
+ s2 = PoolPrint(L"%s %s", entry->options, s);
+ FreePool(entry->options);
+ entry->options = s2;
+ } else
+ entry->options = s;
+ }
+ FreePool(var);
+ }
+
+ var = PoolPrint(L"LoaderEntryOptionsOneShot-%s", entry->machine_id);
+ if (var) {
+ CHAR16 *s;
+
+ if (efivar_get(var, &s) == EFI_SUCCESS) {
+ if (entry->options) {
+ CHAR16 *s2;
+
+ s2 = PoolPrint(L"%s %s", entry->options, s);
+ FreePool(entry->options);
+ entry->options = s2;
+ } else
+ entry->options = s;
+ efivar_set(var, NULL, TRUE);
+ }
+ FreePool(var);
+ }
+ }
+
+ entry->device = device;
+ entry->file = StrDuplicate(file);
+ len = StrLen(entry->file);
+ /* remove ".conf" */
+ if (len > 5)
+ entry->file[len - 5] = '\0';
+ StrLwr(entry->file);
+
+ config_add_entry(config, entry);
+}
+
+static VOID config_load(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path) {
+ EFI_FILE_HANDLE entries_dir;
+ EFI_STATUS err;
+ CHAR8 *content = NULL;
+ UINTN sec;
+ UINTN len;
+ UINTN i;
+
+ len = file_read(root_dir, L"\\loader\\loader.conf", 0, 0, &content);
+ if (len > 0)
+ config_defaults_load_from_file(config, content);
+ FreePool(content);
+
+ err = efivar_get_int(L"LoaderConfigTimeout", &sec);
+ if (!EFI_ERROR(err)) {
+ config->timeout_sec_efivar = sec;
+ config->timeout_sec = sec;
+ } else
+ config->timeout_sec_efivar = -1;
+
+ err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &entries_dir, L"\\loader\\entries", EFI_FILE_MODE_READ, 0ULL);
+ if (!EFI_ERROR(err)) {
+ for (;;) {
+ CHAR16 buf[256];
+ UINTN bufsize;
+ EFI_FILE_INFO *f;
+ CHAR8 *content = NULL;
+ UINTN len;
+
+ bufsize = sizeof(buf);
+ err = uefi_call_wrapper(entries_dir->Read, 3, entries_dir, &bufsize, buf);
+ if (bufsize == 0 || EFI_ERROR(err))
+ break;
+
+ f = (EFI_FILE_INFO *) buf;
+ if (f->FileName[0] == '.')
+ continue;
+ if (f->Attribute & EFI_FILE_DIRECTORY)
+ continue;
+ len = StrLen(f->FileName);
+ if (len < 6)
+ continue;
+ if (StriCmp(f->FileName + len - 5, L".conf") != 0)
+ continue;
+
+ len = file_read(entries_dir, f->FileName, 0, 0, &content);
+ if (len > 0)
+ config_entry_add_from_file(config, device, f->FileName, content, loaded_image_path);
+ FreePool(content);
+ }
+ uefi_call_wrapper(entries_dir->Close, 1, entries_dir);
+ }
+
+ /* sort entries after version number */
+ for (i = 1; i < config->entry_count; i++) {
+ BOOLEAN more;
+ UINTN k;
+
+ more = FALSE;
+ for (k = 0; k < config->entry_count - i; k++) {
+ ConfigEntry *entry;
+
+ if (str_verscmp(config->entries[k]->file, config->entries[k+1]->file) <= 0)
+ continue;
+ entry = config->entries[k];
+ config->entries[k] = config->entries[k+1];
+ config->entries[k+1] = entry;
+ more = TRUE;
+ }
+ if (!more)
+ break;
+ }
+}
+
+static VOID config_default_entry_select(Config *config) {
+ CHAR16 *var;
+ EFI_STATUS err;
+ UINTN i;
+
+ /*
+ * The EFI variable to specify a boot entry for the next, and only the
+ * next reboot. The variable is always cleared directly after it is read.
+ */
+ err = efivar_get(L"LoaderEntryOneShot", &var);
+ if (!EFI_ERROR(err)) {
+ BOOLEAN found = FALSE;
+
+ for (i = 0; i < config->entry_count; i++) {
+ if (StrCmp(config->entries[i]->file, var) == 0) {
+ config->idx_default = i;
+ found = TRUE;
+ break;
+ }
+ }
+
+ config->entry_oneshot = StrDuplicate(var);
+ efivar_set(L"LoaderEntryOneShot", NULL, TRUE);
+ FreePool(var);
+ if (found)
+ return;
+ }
+
+ /*
+ * The EFI variable to select the default boot entry overrides the
+ * configured pattern. The variable can be set and cleared by pressing
+ * the 'd' key in the loader selection menu, the entry is marked with
+ * an '*'.
+ */
+ err = efivar_get(L"LoaderEntryDefault", &var);
+ if (!EFI_ERROR(err)) {
+ BOOLEAN found = FALSE;
+
+ for (i = 0; i < config->entry_count; i++) {
+ if (StrCmp(config->entries[i]->file, var) == 0) {
+ config->idx_default = i;
+ config->idx_default_efivar = i;
+ found = TRUE;
+ break;
+ }
+ }
+ FreePool(var);
+ if (found)
+ return;
+ }
+ config->idx_default_efivar = -1;
+
+ if (config->entry_count == 0)
+ return;
+
+ /*
+ * Match the pattern from the end of the list to the start, find last
+ * entry (largest number) matching the given pattern.
+ */
+ if (config->entry_default_pattern) {
+ i = config->entry_count;
+ while (i--) {
+ if (config->entries[i]->no_autoselect)
+ continue;
+ if (MetaiMatch(config->entries[i]->file, config->entry_default_pattern)) {
+ config->idx_default = i;
+ return;
+ }
+ }
+ }
+
+ /* select the last suitable entry */
+ i = config->entry_count;
+ while (i--) {
+ if (config->entries[i]->no_autoselect)
+ continue;
+ config->idx_default = i;
+ return;
+ }
+
+ /* no entry found */
+ config->idx_default = -1;
+}
+
+/* generate a unique title, avoiding non-distinguishable menu entries */
+static VOID config_title_generate(Config *config) {
+ UINTN i, k;
+ BOOLEAN unique;
+
+ /* set title */
+ for (i = 0; i < config->entry_count; i++) {
+ CHAR16 *title;
+
+ FreePool(config->entries[i]->title_show);
+ title = config->entries[i]->title;
+ if (!title)
+ title = config->entries[i]->file;
+ config->entries[i]->title_show = StrDuplicate(title);
+ }
+
+ unique = TRUE;
+ for (i = 0; i < config->entry_count; i++) {
+ for (k = 0; k < config->entry_count; k++) {
+ if (i == k)
+ continue;
+ if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
+ continue;
+
+ unique = FALSE;
+ config->entries[i]->non_unique = TRUE;
+ config->entries[k]->non_unique = TRUE;
+ }
+ }
+ if (unique)
+ return;
+
+ /* add version to non-unique titles */
+ for (i = 0; i < config->entry_count; i++) {
+ CHAR16 *s;
+
+ if (!config->entries[i]->non_unique)
+ continue;
+ if (!config->entries[i]->version)
+ continue;
+
+ s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->version);
+ FreePool(config->entries[i]->title_show);
+ config->entries[i]->title_show = s;
+ config->entries[i]->non_unique = FALSE;
+ }
+
+ unique = TRUE;
+ for (i = 0; i < config->entry_count; i++) {
+ for (k = 0; k < config->entry_count; k++) {
+ if (i == k)
+ continue;
+ if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
+ continue;
+
+ unique = FALSE;
+ config->entries[i]->non_unique = TRUE;
+ config->entries[k]->non_unique = TRUE;
+ }
+ }
+ if (unique)
+ return;
+
+ /* add machine-id to non-unique titles */
+ for (i = 0; i < config->entry_count; i++) {
+ CHAR16 *s;
+ CHAR16 *m;
+
+ if (!config->entries[i]->non_unique)
+ continue;
+ if (!config->entries[i]->machine_id)
+ continue;
+
+ m = StrDuplicate(config->entries[i]->machine_id);
+ m[8] = '\0';
+ s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, m);
+ FreePool(config->entries[i]->title_show);
+ config->entries[i]->title_show = s;
+ config->entries[i]->non_unique = FALSE;
+ FreePool(m);
+ }
+
+ unique = TRUE;
+ for (i = 0; i < config->entry_count; i++) {
+ for (k = 0; k < config->entry_count; k++) {
+ if (i == k)
+ continue;
+ if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
+ continue;
+
+ unique = FALSE;
+ config->entries[i]->non_unique = TRUE;
+ config->entries[k]->non_unique = TRUE;
+ }
+ }
+ if (unique)
+ return;
+
+ /* add file name to non-unique titles */
+ for (i = 0; i < config->entry_count; i++) {
+ CHAR16 *s;
+
+ if (!config->entries[i]->non_unique)
+ continue;
+ s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->file);
+ FreePool(config->entries[i]->title_show);
+ config->entries[i]->title_show = s;
+ config->entries[i]->non_unique = FALSE;
+ }
+}
+
+static BOOLEAN config_entry_add_call(Config *config, CHAR16 *title, EFI_STATUS (*call)(VOID)) {
+ ConfigEntry *entry;
+
+ entry = AllocateZeroPool(sizeof(ConfigEntry));
+ entry->title = StrDuplicate(title);
+ entry->call = call;
+ entry->no_autoselect = TRUE;
+ config_add_entry(config, entry);
+ return TRUE;
+}
+
+static ConfigEntry *config_entry_add_loader(Config *config, EFI_HANDLE *device,
+ enum loader_type type,CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
+ ConfigEntry *entry;
+
+ entry = AllocateZeroPool(sizeof(ConfigEntry));
+ entry->type = type;
+ entry->title = StrDuplicate(title);
+ entry->device = device;
+ entry->loader = StrDuplicate(loader);
+ entry->file = StrDuplicate(file);
+ StrLwr(entry->file);
+ entry->key = key;
+ config_add_entry(config, entry);
+
+ return entry;
+}
+
+static BOOLEAN config_entry_add_loader_auto(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path,
+ CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
+ EFI_FILE_HANDLE handle;
+ ConfigEntry *entry;
+ EFI_STATUS err;
+
+ /* do not add an entry for ourselves */
+ if (loaded_image_path && StriCmp(loader, loaded_image_path) == 0)
+ return FALSE;
+
+ /* check existence */
+ err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &handle, loader, EFI_FILE_MODE_READ, 0ULL);
+ if (EFI_ERROR(err))
+ return FALSE;
+ uefi_call_wrapper(handle->Close, 1, handle);
+
+ entry = config_entry_add_loader(config, device, LOADER_UNDEFINED, file, key, title, loader);
+ if (!entry)
+ return FALSE;
+
+ /* do not boot right away into auto-detected entries */
+ entry->no_autoselect = TRUE;
+
+ /* do not show a splash; they do not need one, or they draw their own */
+ entry->splash = StrDuplicate(L"");
+
+ /* export identifiers of automatically added entries */
+ if (config->entries_auto) {
+ CHAR16 *s;
+
+ s = PoolPrint(L"%s %s", config->entries_auto, file);
+ FreePool(config->entries_auto);
+ config->entries_auto = s;
+ } else
+ config->entries_auto = StrDuplicate(file);
+
+ return TRUE;
+}
+
+static VOID config_entry_add_osx(Config *config) {
+ EFI_STATUS err;
+ UINTN handle_count = 0;
+ EFI_HANDLE *handles = NULL;
+
+ err = LibLocateHandle(ByProtocol, &FileSystemProtocol, NULL, &handle_count, &handles);
+ if (!EFI_ERROR(err)) {
+ UINTN i;
+
+ for (i = 0; i < handle_count; i++) {
+ EFI_FILE *root;
+ BOOLEAN found;
+
+ root = LibOpenRoot(handles[i]);
+ if (!root)
+ continue;
+ found = config_entry_add_loader_auto(config, handles[i], root, NULL, L"auto-osx", 'a', L"OS X",
+ L"\\System\\Library\\CoreServices\\boot.efi");
+ uefi_call_wrapper(root->Close, 1, root);
+ if (found)
+ break;
+ }
+
+ FreePool(handles);
+ }
+}
+
+static VOID config_entry_add_linux( Config *config, EFI_LOADED_IMAGE *loaded_image, EFI_FILE *root_dir) {
+ EFI_FILE_HANDLE linux_dir;
+ EFI_STATUS err;
+
+ err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &linux_dir, L"\\EFI\\Linux", EFI_FILE_MODE_READ, 0ULL);
+ if (!EFI_ERROR(err)) {
+ for (;;) {
+ CHAR16 buf[256];
+ UINTN bufsize;
+ EFI_FILE_INFO *f;
+ CHAR8 *sections[] = {
+ (UINT8 *)".osrel",
+ NULL
+ };
+ UINTN offs[ELEMENTSOF(sections)-1] = {};
+ UINTN szs[ELEMENTSOF(sections)-1] = {};
+ UINTN addrs[ELEMENTSOF(sections)-1] = {};
+ CHAR8 *content = NULL;
+ UINTN len;
+ CHAR8 *line;
+ UINTN pos = 0;
+ CHAR8 *key, *value;
+ CHAR16 *os_name = NULL;
+ CHAR16 *os_id = NULL;
+ CHAR16 *os_version = NULL;
+
+ bufsize = sizeof(buf);
+ err = uefi_call_wrapper(linux_dir->Read, 3, linux_dir, &bufsize, buf);
+ if (bufsize == 0 || EFI_ERROR(err))
+ break;
+
+ f = (EFI_FILE_INFO *) buf;
+ if (f->FileName[0] == '.')
+ continue;
+ if (f->Attribute & EFI_FILE_DIRECTORY)
+ continue;
+ len = StrLen(f->FileName);
+ if (len < 5)
+ continue;
+ if (StriCmp(f->FileName + len - 4, L".efi") != 0)
+ continue;
+
+ /* look for an .osrel section in the .efi binary */
+ err = pefile_locate_sections(linux_dir, f->FileName, sections, addrs, offs, szs);
+ if (EFI_ERROR(err))
+ continue;
+
+ len = file_read(linux_dir, f->FileName, offs[0], szs[0], &content);
+ if (len <= 0)
+ continue;
+
+ /* read properties from the embedded os-release file */
+ line = content;
+ while ((line = line_get_key_value(content, (CHAR8 *)"=", &pos, &key, &value))) {
+ if (strcmpa((CHAR8 *)"PRETTY_NAME", key) == 0) {
+ os_name = stra_to_str(value);
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"ID", key) == 0) {
+ os_id = stra_to_str(value);
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"VERSION_ID", key) == 0) {
+ os_version = stra_to_str(value);
+ continue;
+ }
+ }
+
+ if (os_name && os_id && os_version) {
+ CHAR16 *conf;
+ CHAR16 *path;
+
+ conf = PoolPrint(L"%s-%s", os_id, os_version);
+ path = PoolPrint(L"\\EFI\\Linux\\%s", f->FileName);
+ config_entry_add_loader(config, loaded_image->DeviceHandle, LOADER_LINUX, conf, 'l', os_name, path);
+ FreePool(conf);
+ FreePool(path);
+ FreePool(os_name);
+ FreePool(os_id);
+ FreePool(os_version);
+ }
+
+ FreePool(content);
+ }
+ uefi_call_wrapper(linux_dir->Close, 1, linux_dir);
+ }
+}
+
+static EFI_STATUS image_start(EFI_HANDLE parent_image, const Config *config, const ConfigEntry *entry) {
+ EFI_HANDLE image;
+ EFI_DEVICE_PATH *path;
+ CHAR16 *options;
+ EFI_STATUS err;
+
+ path = FileDevicePath(entry->device, entry->loader);
+ if (!path) {
+ Print(L"Error getting device path.");
+ uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ err = uefi_call_wrapper(BS->LoadImage, 6, FALSE, parent_image, path, NULL, 0, &image);
+ if (EFI_ERROR(err)) {
+ Print(L"Error loading %s: %r", entry->loader, err);
+ uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
+ goto out;
+ }
+
+ if (config->options_edit)
+ options = config->options_edit;
+ else if (entry->options)
+ options = entry->options;
+ else
+ options = NULL;
+ if (options) {
+ EFI_LOADED_IMAGE *loaded_image;
+
+ err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
+ parent_image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
+ if (EFI_ERROR(err)) {
+ Print(L"Error getting LoadedImageProtocol handle: %r", err);
+ uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
+ goto out_unload;
+ }
+ loaded_image->LoadOptions = options;
+ loaded_image->LoadOptionsSize = (StrLen(loaded_image->LoadOptions)+1) * sizeof(CHAR16);
+ }
+
+ efivar_set_time_usec(L"LoaderTimeExecUSec", 0);
+ err = uefi_call_wrapper(BS->StartImage, 3, image, NULL, NULL);
+out_unload:
+ uefi_call_wrapper(BS->UnloadImage, 1, image);
+out:
+ FreePool(path);
+ return err;
+}
+
+static EFI_STATUS reboot_into_firmware(VOID) {
+ CHAR8 *b;
+ UINTN size;
+ UINT64 osind;
+ EFI_STATUS err;
+
+ osind = EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
+
+ err = efivar_get_raw(&global_guid, L"OsIndications", &b, &size);
+ if (!EFI_ERROR(err))
+ osind |= (UINT64)*b;
+ FreePool(b);
+
+ err = efivar_set_raw(&global_guid, L"OsIndications", (CHAR8 *)&osind, sizeof(UINT64), TRUE);
+ if (EFI_ERROR(err))
+ return err;
+
+ err = uefi_call_wrapper(RT->ResetSystem, 4, EfiResetCold, EFI_SUCCESS, 0, NULL);
+ Print(L"Error calling ResetSystem: %r", err);
+ uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
+ return err;
+}
+
+static VOID config_free(Config *config) {
+ UINTN i;
+
+ for (i = 0; i < config->entry_count; i++)
+ config_entry_free(config->entries[i]);
+ FreePool(config->entries);
+ FreePool(config->entry_default_pattern);
+ FreePool(config->options_edit);
+ FreePool(config->entry_oneshot);
+ FreePool(config->entries_auto);
+ FreePool(config->splash);
+ FreePool(config->background);
+}
+
+EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) {
+ CHAR16 *s;
+ CHAR8 *b;
+ UINTN size;
+ EFI_LOADED_IMAGE *loaded_image;
+ EFI_FILE *root_dir;
+ CHAR16 *loaded_image_path;
+ EFI_DEVICE_PATH *device_path;
+ EFI_STATUS err;
+ Config config;
+ UINT64 init_usec;
+ BOOLEAN menu = FALSE;
+
+ InitializeLib(image, sys_table);
+ init_usec = time_usec();
+ efivar_set_time_usec(L"LoaderTimeInitUSec", init_usec);
+ efivar_set(L"LoaderInfo", L"sd-boot " VERSION, FALSE);
+ s = PoolPrint(L"%s %d.%02d", ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
+ efivar_set(L"LoaderFirmwareInfo", s, FALSE);
+ FreePool(s);
+ s = PoolPrint(L"UEFI %d.%02d", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff);
+ efivar_set(L"LoaderFirmwareType", s, FALSE);
+ FreePool(s);
+
+ err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
+ image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
+ if (EFI_ERROR(err)) {
+ Print(L"Error getting a LoadedImageProtocol handle: %r ", err);
+ uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
+ return err;
+ }
+
+ /* export the device path this image is started from */
+ device_path = DevicePathFromHandle(loaded_image->DeviceHandle);
+ if (device_path) {
+ CHAR16 *str;
+ EFI_DEVICE_PATH *path, *paths;
+
+ str = DevicePathToStr(device_path);
+ efivar_set(L"LoaderDeviceIdentifier", str, FALSE);
+ FreePool(str);
+
+ paths = UnpackDevicePath(device_path);
+ for (path = paths; !IsDevicePathEnd(path); path = NextDevicePathNode(path)) {
+ HARDDRIVE_DEVICE_PATH *drive;
+ CHAR16 uuid[37];
+
+ if (DevicePathType(path) != MEDIA_DEVICE_PATH)
+ continue;
+ if (DevicePathSubType(path) != MEDIA_HARDDRIVE_DP)
+ continue;
+ drive = (HARDDRIVE_DEVICE_PATH *)path;
+ if (drive->SignatureType != SIGNATURE_TYPE_GUID)
+ continue;
+
+ GuidToString(uuid, (EFI_GUID *)&drive->Signature);
+ efivar_set(L"LoaderDevicePartUUID", uuid, FALSE);
+ break;
+ }
+ FreePool(paths);
+ }
+
+ root_dir = LibOpenRoot(loaded_image->DeviceHandle);
+ if (!root_dir) {
+ Print(L"Unable to open root directory: %r ", err);
+ uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
+ return EFI_LOAD_ERROR;
+ }
+
+
+ /* the filesystem path to this image, to prevent adding ourselves to the menu */
+ loaded_image_path = DevicePathToStr(loaded_image->FilePath);
+ efivar_set(L"LoaderImageIdentifier", loaded_image_path, FALSE);
+
+ /* scan "\loader\entries\*.conf" files */
+ ZeroMem(&config, sizeof(Config));
+ config_load(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path);
+
+ if (!config.background) {
+ config.background = AllocateZeroPool(sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
+ if (StriCmp(L"Apple", ST->FirmwareVendor) == 0) {
+ config.background->Red = 0xc0;
+ config.background->Green = 0xc0;
+ config.background->Blue = 0xc0;
+ }
+ }
+
+ /* if we find some well-known loaders, add them to the end of the list */
+ config_entry_add_linux(&config, loaded_image, root_dir);
+ config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
+ L"auto-windows", 'w', L"Windows Boot Manager", L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi");
+ config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
+ L"auto-efi-shell", 's', L"EFI Shell", L"\\shell" EFI_MACHINE_TYPE_NAME ".efi");
+ config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
+ L"auto-efi-default", '\0', L"EFI Default Loader", L"\\EFI\\Boot\\boot" EFI_MACHINE_TYPE_NAME ".efi");
+ config_entry_add_osx(&config);
+ efivar_set(L"LoaderEntriesAuto", config.entries_auto, FALSE);
+
+ if (efivar_get_raw(&global_guid, L"OsIndicationsSupported", &b, &size) == EFI_SUCCESS) {
+ UINT64 osind = (UINT64)*b;
+
+ if (osind & EFI_OS_INDICATIONS_BOOT_TO_FW_UI)
+ config_entry_add_call(&config, L"Reboot Into Firmware Interface", reboot_into_firmware);
+ FreePool(b);
+ }
+
+ if (config.entry_count == 0) {
+ Print(L"No loader found. Configuration files in \\loader\\entries\\*.conf are needed.");
+ uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
+ goto out;
+ }
+
+ config_title_generate(&config);
+
+ /* select entry by configured pattern or EFI LoaderDefaultEntry= variable*/
+ config_default_entry_select(&config);
+
+ /* if no configured entry to select from was found, enable the menu */
+ if (config.idx_default == -1) {
+ config.idx_default = 0;
+ if (config.timeout_sec == 0)
+ config.timeout_sec = 10;
+ }
+
+ /* select entry or show menu when key is pressed or timeout is set */
+ if (config.timeout_sec == 0) {
+ UINT64 key;
+
+ err = console_key_read(&key, FALSE);
+ if (!EFI_ERROR(err)) {
+ INT16 idx;
+
+ /* find matching key in config entries */
+ idx = entry_lookup_key(&config, config.idx_default, KEYCHAR(key));
+ if (idx >= 0)
+ config.idx_default = idx;
+ else
+ menu = TRUE;
+ }
+ } else
+ menu = TRUE;
+
+ for (;;) {
+ ConfigEntry *entry;
+
+ entry = config.entries[config.idx_default];
+ if (menu) {
+ efivar_set_time_usec(L"LoaderTimeMenuUSec", 0);
+ uefi_call_wrapper(BS->SetWatchdogTimer, 4, 0, 0x10000, 0, NULL);
+ if (!menu_run(&config, &entry, root_dir, loaded_image_path))
+ break;
+
+ /* run special entry like "reboot" */
+ if (entry->call) {
+ entry->call();
+ continue;
+ }
+ } else {
+ err = EFI_NOT_FOUND;
+
+ /* splash from entry file */
+ if (entry->splash) {
+ /* some entries disable the splash because they draw their own */
+ if (entry->splash[0] == '\0')
+ err = EFI_SUCCESS;
+ else
+ err = graphics_splash(root_dir, entry->splash, config.background);
+ }
+
+ /* splash from config file */
+ if (EFI_ERROR(err) && config.splash)
+ err = graphics_splash(root_dir, config.splash, config.background);
+
+ /* default splash */
+ if (EFI_ERROR(err))
+ graphics_splash(root_dir, L"\\EFI\\systemd\\splash.bmp", config.background);
+ }
+
+ /* export the selected boot entry to the system */
+ efivar_set(L"LoaderEntrySelected", entry->file, FALSE);
+
+ uefi_call_wrapper(BS->SetWatchdogTimer, 4, 5 * 60, 0x10000, 0, NULL);
+ err = image_start(image, &config, entry);
+
+ if (err == EFI_ACCESS_DENIED || err == EFI_SECURITY_VIOLATION) {
+ /* Platform is secure boot and requested image isn't
+ * trusted. Need to go back to prior boot system and
+ * install more keys or hashes. Signal failure by
+ * returning the error */
+ Print(L"\nImage %s gives a security error\n", entry->title);
+ Print(L"Please enrol the hash or signature of %s\n", entry->loader);
+ uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
+ goto out;
+ }
+
+ menu = TRUE;
+ config.timeout_sec = 0;
+ }
+ err = EFI_SUCCESS;
+out:
+ FreePool(loaded_image_path);
+ config_free(&config);
+ uefi_call_wrapper(root_dir->Close, 1, root_dir);
+ uefi_call_wrapper(BS->CloseProtocol, 4, image, &LoadedImageProtocol, image, NULL);
+ return err;
+}
diff --git a/src/sd-boot/stub.c b/src/sd-boot/stub.c
new file mode 100644
index 0000000000..e18faac669
--- /dev/null
+++ b/src/sd-boot/stub.c
@@ -0,0 +1,106 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Copyright (C) 2015 Kay Sievers <kay@vrfy.org>
+ */
+
+#include <efi.h>
+#include <efilib.h>
+
+#include "util.h"
+#include "pefile.h"
+#include "linux.h"
+
+/* magic string to find in the binary image */
+static const char __attribute__((used)) magic[] = "#### LoaderInfo: stub " VERSION " ####";
+
+static const EFI_GUID global_guid = EFI_GLOBAL_VARIABLE;
+
+EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) {
+ EFI_LOADED_IMAGE *loaded_image;
+ EFI_FILE *root_dir;
+ CHAR16 *loaded_image_path;
+ CHAR8 *b;
+ UINTN size;
+ BOOLEAN secure = FALSE;
+ CHAR8 *sections[] = {
+ (UINT8 *)".cmdline",
+ (UINT8 *)".linux",
+ (UINT8 *)".initrd",
+ NULL
+ };
+ UINTN addrs[ELEMENTSOF(sections)-1] = {};
+ UINTN offs[ELEMENTSOF(sections)-1] = {};
+ UINTN szs[ELEMENTSOF(sections)-1] = {};
+ CHAR8 *cmdline = NULL;
+ UINTN cmdline_len;
+ EFI_STATUS err;
+
+ InitializeLib(image, sys_table);
+
+ err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
+ image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
+ if (EFI_ERROR(err)) {
+ Print(L"Error getting a LoadedImageProtocol handle: %r ", err);
+ uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
+ return err;
+ }
+
+ root_dir = LibOpenRoot(loaded_image->DeviceHandle);
+ if (!root_dir) {
+ Print(L"Unable to open root directory: %r ", err);
+ uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
+ return EFI_LOAD_ERROR;
+ }
+
+ loaded_image_path = DevicePathToStr(loaded_image->FilePath);
+
+ if (efivar_get_raw(&global_guid, L"SecureBoot", &b, &size) == EFI_SUCCESS) {
+ if (*b > 0)
+ secure = TRUE;
+ FreePool(b);
+ }
+
+ err = pefile_locate_sections(root_dir, loaded_image_path, sections, addrs, offs, szs);
+ if (EFI_ERROR(err)) {
+ Print(L"Unable to locate embedded .linux section: %r ", err);
+ uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
+ return err;
+ }
+
+ if (szs[0] > 0)
+ cmdline = (CHAR8 *)(loaded_image->ImageBase + addrs[0]);
+
+ cmdline_len = szs[0];
+
+ /* if we are not in secure boot mode, accept a custom command line and replace the built-in one */
+ if (!secure && loaded_image->LoadOptionsSize > 0) {
+ CHAR16 *options;
+ CHAR8 *line;
+ UINTN i;
+
+ options = (CHAR16 *)loaded_image->LoadOptions;
+ cmdline_len = (loaded_image->LoadOptionsSize / sizeof(CHAR16)) * sizeof(CHAR8);
+ line = AllocatePool(cmdline_len);
+ for (i = 0; i < cmdline_len; i++)
+ line[i] = options[i];
+ cmdline = line;
+ }
+
+ err = linux_exec(image, cmdline, cmdline_len,
+ (UINTN)loaded_image->ImageBase + addrs[1],
+ (UINTN)loaded_image->ImageBase + addrs[2], szs[2]);
+
+ Print(L"Execution of embedded linux image failed: %r\n", err);
+ uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
+ return err;
+}
diff --git a/src/sd-boot/util.c b/src/sd-boot/util.c
new file mode 100644
index 0000000000..5678b50c31
--- /dev/null
+++ b/src/sd-boot/util.c
@@ -0,0 +1,322 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Copyright (C) 2012-2013 Kay Sievers <kay@vrfy.org>
+ * Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
+ */
+
+#include <efi.h>
+#include <efilib.h>
+
+#include "util.h"
+
+/*
+ * Allocated random UUID, intended to be shared across tools that implement
+ * the (ESP)\loader\entries\<vendor>-<revision>.conf convention and the
+ * associated EFI variables.
+ */
+static const EFI_GUID loader_guid = { 0x4a67b082, 0x0a4c, 0x41cf, {0xb6, 0xc7, 0x44, 0x0b, 0x29, 0xbb, 0x8c, 0x4f} };
+
+#ifdef __x86_64__
+UINT64 ticks_read(VOID) {
+ UINT64 a, d;
+ __asm__ volatile ("rdtsc" : "=a" (a), "=d" (d));
+ return (d << 32) | a;
+}
+#else
+UINT64 ticks_read(VOID) {
+ UINT64 val;
+ __asm__ volatile ("rdtsc" : "=A" (val));
+ return val;
+}
+#endif
+
+/* count TSC ticks during a millisecond delay */
+UINT64 ticks_freq(VOID) {
+ UINT64 ticks_start, ticks_end;
+
+ ticks_start = ticks_read();
+ uefi_call_wrapper(BS->Stall, 1, 1000);
+ ticks_end = ticks_read();
+
+ return (ticks_end - ticks_start) * 1000;
+}
+
+UINT64 time_usec(VOID) {
+ UINT64 ticks;
+ static UINT64 freq;
+
+ ticks = ticks_read();
+ if (ticks == 0)
+ return 0;
+
+ if (freq == 0) {
+ freq = ticks_freq();
+ if (freq == 0)
+ return 0;
+ }
+
+ return 1000 * 1000 * ticks / freq;
+}
+
+EFI_STATUS efivar_set_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 *buf, UINTN size, BOOLEAN persistent) {
+ UINT32 flags;
+
+ flags = EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS;
+ if (persistent)
+ flags |= EFI_VARIABLE_NON_VOLATILE;
+
+ return uefi_call_wrapper(RT->SetVariable, 5, name, (EFI_GUID *)vendor, flags, size, buf);
+}
+
+EFI_STATUS efivar_set(CHAR16 *name, CHAR16 *value, BOOLEAN persistent) {
+ return efivar_set_raw(&loader_guid, name, (CHAR8 *)value, value ? (StrLen(value)+1) * sizeof(CHAR16) : 0, persistent);
+}
+
+EFI_STATUS efivar_set_int(CHAR16 *name, UINTN i, BOOLEAN persistent) {
+ CHAR16 str[32];
+
+ SPrint(str, 32, L"%d", i);
+ return efivar_set(name, str, persistent);
+}
+
+EFI_STATUS efivar_get(CHAR16 *name, CHAR16 **value) {
+ CHAR8 *buf;
+ CHAR16 *val;
+ UINTN size;
+ EFI_STATUS err;
+
+ err = efivar_get_raw(&loader_guid, name, &buf, &size);
+ if (EFI_ERROR(err))
+ return err;
+
+ val = StrDuplicate((CHAR16 *)buf);
+ if (!val) {
+ FreePool(buf);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ *value = val;
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS efivar_get_int(CHAR16 *name, UINTN *i) {
+ CHAR16 *val;
+ EFI_STATUS err;
+
+ err = efivar_get(name, &val);
+ if (!EFI_ERROR(err)) {
+ *i = Atoi(val);
+ FreePool(val);
+ }
+ return err;
+}
+
+EFI_STATUS efivar_get_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 **buffer, UINTN *size) {
+ CHAR8 *buf;
+ UINTN l;
+ EFI_STATUS err;
+
+ l = sizeof(CHAR16 *) * EFI_MAXIMUM_VARIABLE_SIZE;
+ buf = AllocatePool(l);
+ if (!buf)
+ return EFI_OUT_OF_RESOURCES;
+
+ err = uefi_call_wrapper(RT->GetVariable, 5, name, (EFI_GUID *)vendor, NULL, &l, buf);
+ if (!EFI_ERROR(err)) {
+ *buffer = buf;
+ if (size)
+ *size = l;
+ } else
+ FreePool(buf);
+ return err;
+
+}
+
+VOID efivar_set_time_usec(CHAR16 *name, UINT64 usec) {
+ CHAR16 str[32];
+
+ if (usec == 0)
+ usec = time_usec();
+ if (usec == 0)
+ return;
+
+ SPrint(str, 32, L"%ld", usec);
+ efivar_set(name, str, FALSE);
+}
+
+static INTN utf8_to_16(CHAR8 *stra, CHAR16 *c) {
+ CHAR16 unichar;
+ UINTN len;
+ UINTN i;
+
+ if (stra[0] < 0x80)
+ len = 1;
+ else if ((stra[0] & 0xe0) == 0xc0)
+ len = 2;
+ else if ((stra[0] & 0xf0) == 0xe0)
+ len = 3;
+ else if ((stra[0] & 0xf8) == 0xf0)
+ len = 4;
+ else if ((stra[0] & 0xfc) == 0xf8)
+ len = 5;
+ else if ((stra[0] & 0xfe) == 0xfc)
+ len = 6;
+ else
+ return -1;
+
+ switch (len) {
+ case 1:
+ unichar = stra[0];
+ break;
+ case 2:
+ unichar = stra[0] & 0x1f;
+ break;
+ case 3:
+ unichar = stra[0] & 0x0f;
+ break;
+ case 4:
+ unichar = stra[0] & 0x07;
+ break;
+ case 5:
+ unichar = stra[0] & 0x03;
+ break;
+ case 6:
+ unichar = stra[0] & 0x01;
+ break;
+ }
+
+ for (i = 1; i < len; i++) {
+ if ((stra[i] & 0xc0) != 0x80)
+ return -1;
+ unichar <<= 6;
+ unichar |= stra[i] & 0x3f;
+ }
+
+ *c = unichar;
+ return len;
+}
+
+CHAR16 *stra_to_str(CHAR8 *stra) {
+ UINTN strlen;
+ UINTN len;
+ UINTN i;
+ CHAR16 *str;
+
+ len = strlena(stra);
+ str = AllocatePool((len + 1) * sizeof(CHAR16));
+
+ strlen = 0;
+ i = 0;
+ while (i < len) {
+ INTN utf8len;
+
+ utf8len = utf8_to_16(stra + i, str + strlen);
+ if (utf8len <= 0) {
+ /* invalid utf8 sequence, skip the garbage */
+ i++;
+ continue;
+ }
+
+ strlen++;
+ i += utf8len;
+ }
+ str[strlen] = '\0';
+ return str;
+}
+
+CHAR16 *stra_to_path(CHAR8 *stra) {
+ CHAR16 *str;
+ UINTN strlen;
+ UINTN len;
+ UINTN i;
+
+ len = strlena(stra);
+ str = AllocatePool((len + 2) * sizeof(CHAR16));
+
+ str[0] = '\\';
+ strlen = 1;
+ i = 0;
+ while (i < len) {
+ INTN utf8len;
+
+ utf8len = utf8_to_16(stra + i, str + strlen);
+ if (utf8len <= 0) {
+ /* invalid utf8 sequence, skip the garbage */
+ i++;
+ continue;
+ }
+
+ if (str[strlen] == '/')
+ str[strlen] = '\\';
+ if (str[strlen] == '\\' && str[strlen-1] == '\\') {
+ /* skip double slashes */
+ i += utf8len;
+ continue;
+ }
+
+ strlen++;
+ i += utf8len;
+ }
+ str[strlen] = '\0';
+ return str;
+}
+
+CHAR8 *strchra(CHAR8 *s, CHAR8 c) {
+ do {
+ if (*s == c)
+ return s;
+ } while (*s++);
+ return NULL;
+}
+
+INTN file_read(EFI_FILE_HANDLE dir, CHAR16 *name, UINTN off, UINTN size, CHAR8 **content) {
+ EFI_FILE_HANDLE handle;
+ CHAR8 *buf;
+ UINTN buflen;
+ EFI_STATUS err;
+ UINTN len;
+
+ err = uefi_call_wrapper(dir->Open, 5, dir, &handle, name, EFI_FILE_MODE_READ, 0ULL);
+ if (EFI_ERROR(err))
+ return err;
+
+ if (size == 0) {
+ EFI_FILE_INFO *info;
+
+ info = LibFileInfo(handle);
+ buflen = info->FileSize+1;
+ FreePool(info);
+ } else
+ buflen = size;
+
+ if (off > 0) {
+ err = uefi_call_wrapper(handle->SetPosition, 2, handle, off);
+ if (EFI_ERROR(err))
+ return err;
+ }
+
+ buf = AllocatePool(buflen);
+ err = uefi_call_wrapper(handle->Read, 3, handle, &buflen, buf);
+ if (!EFI_ERROR(err)) {
+ buf[buflen] = '\0';
+ *content = buf;
+ len = buflen;
+ } else {
+ len = err;
+ FreePool(buf);
+ }
+
+ uefi_call_wrapper(handle->Close, 1, handle);
+ return len;
+}
diff --git a/src/sd-boot/util.h b/src/sd-boot/util.h
new file mode 100644
index 0000000000..efaafd7492
--- /dev/null
+++ b/src/sd-boot/util.h
@@ -0,0 +1,44 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Copyright (C) 2012-2013 Kay Sievers <kay@vrfy.org>
+ * Copyright (C) 2012 Harald Hoyer <harald@redhat.com>
+ */
+
+#ifndef __SDBOOT_UTIL_H
+#define __SDBOOT_UTIL_H
+
+#include <efi.h>
+#include <efilib.h>
+
+#define ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
+
+UINT64 ticks_read(void);
+UINT64 ticks_freq(void);
+UINT64 time_usec(void);
+
+EFI_STATUS efivar_set(CHAR16 *name, CHAR16 *value, BOOLEAN persistent);
+EFI_STATUS efivar_set_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 *buf, UINTN size, BOOLEAN persistent);
+EFI_STATUS efivar_set_int(CHAR16 *name, UINTN i, BOOLEAN persistent);
+VOID efivar_set_time_usec(CHAR16 *name, UINT64 usec);
+
+EFI_STATUS efivar_get(CHAR16 *name, CHAR16 **value);
+EFI_STATUS efivar_get_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 **buffer, UINTN *size);
+EFI_STATUS efivar_get_int(CHAR16 *name, UINTN *i);
+
+CHAR8 *strchra(CHAR8 *s, CHAR8 c);
+CHAR16 *stra_to_path(CHAR8 *stra);
+CHAR16 *stra_to_str(CHAR8 *stra);
+
+INTN file_read(EFI_FILE_HANDLE dir, CHAR16 *name, UINTN off, UINTN size, CHAR8 **content);
+#endif
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-24 02:49:02 +0000