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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /arch/mips/include
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'arch/mips/include')
-rw-r--r--arch/mips/include/asm/Kbuild2
-rw-r--r--arch/mips/include/asm/abi.h4
-rw-r--r--arch/mips/include/asm/asmmacro.h114
-rw-r--r--arch/mips/include/asm/atomic.h7
-rw-r--r--arch/mips/include/asm/barrier.h4
-rw-r--r--arch/mips/include/asm/cdmm.h15
-rw-r--r--arch/mips/include/asm/cevt-r4k.h1
-rw-r--r--arch/mips/include/asm/cpu-features.h7
-rw-r--r--arch/mips/include/asm/cpu-type.h4
-rw-r--r--arch/mips/include/asm/cpu.h4
-rw-r--r--arch/mips/include/asm/debug.h48
-rw-r--r--arch/mips/include/asm/dma-mapping.h67
-rw-r--r--arch/mips/include/asm/elf.h4
-rw-r--r--arch/mips/include/asm/fpu.h21
-rw-r--r--arch/mips/include/asm/gpio.h6
-rw-r--r--arch/mips/include/asm/io.h1
-rw-r--r--arch/mips/include/asm/irq.h2
-rw-r--r--arch/mips/include/asm/jump_label.h19
-rw-r--r--arch/mips/include/asm/kdebug.h4
-rw-r--r--arch/mips/include/asm/kvm_host.h2
-rw-r--r--arch/mips/include/asm/linkage.h1
-rw-r--r--arch/mips/include/asm/maar.h11
-rw-r--r--arch/mips/include/asm/mach-ar7/ar7.h4
-rw-r--r--arch/mips/include/asm/mach-ar7/gpio.h41
-rw-r--r--arch/mips/include/asm/mach-ath25/gpio.h16
-rw-r--r--arch/mips/include/asm/mach-ath79/gpio.h26
-rw-r--r--arch/mips/include/asm/mach-au1x00/gpio-au1000.h148
-rw-r--r--arch/mips/include/asm/mach-au1x00/gpio.h86
-rw-r--r--arch/mips/include/asm/mach-bcm47xx/gpio.h17
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/gpio.h15
-rw-r--r--arch/mips/include/asm/mach-cavium-octeon/gpio.h21
-rw-r--r--arch/mips/include/asm/mach-generic/gpio.h21
-rw-r--r--arch/mips/include/asm/mach-jz4740/gpio.h2
-rw-r--r--arch/mips/include/asm/mach-lantiq/gpio.h13
-rw-r--r--arch/mips/include/asm/mach-loongson64/gpio.h36
-rw-r--r--arch/mips/include/asm/mach-pistachio/gpio.h21
-rw-r--r--arch/mips/include/asm/mach-rc32434/gpio.h12
-rw-r--r--arch/mips/include/asm/mips-cm.h128
-rw-r--r--arch/mips/include/asm/mips-cpc.h10
-rw-r--r--arch/mips/include/asm/mipsregs.h62
-rw-r--r--arch/mips/include/asm/msa.h80
-rw-r--r--arch/mips/include/asm/netlogic/common.h4
-rw-r--r--arch/mips/include/asm/octeon/cvmx-bootinfo.h2
-rw-r--r--arch/mips/include/asm/octeon/cvmx-pip.h2
-rw-r--r--arch/mips/include/asm/octeon/cvmx-pko.h3
-rw-r--r--arch/mips/include/asm/octeon/cvmx-pow-defs.h29
-rw-r--r--arch/mips/include/asm/octeon/cvmx-pow.h9
-rw-r--r--arch/mips/include/asm/octeon/cvmx-wqe.h308
-rw-r--r--arch/mips/include/asm/pgtable-bits.h25
-rw-r--r--arch/mips/include/asm/pgtable.h2
-rw-r--r--arch/mips/include/asm/processor.h2
-rw-r--r--arch/mips/include/asm/ptrace.h80
-rw-r--r--arch/mips/include/asm/signal.h3
-rw-r--r--arch/mips/include/asm/spinlock.h5
-rw-r--r--arch/mips/include/asm/switch_to.h67
-rw-r--r--arch/mips/include/asm/thread_info.h5
-rw-r--r--arch/mips/include/asm/time.h2
-rw-r--r--arch/mips/include/asm/tlbdebug.h1
-rw-r--r--arch/mips/include/asm/uprobes.h58
-rw-r--r--arch/mips/include/asm/vpe.h2
-rw-r--r--arch/mips/include/uapi/asm/break.h2
-rw-r--r--arch/mips/include/uapi/asm/hwcap.h8
-rw-r--r--arch/mips/include/uapi/asm/inst.h40
-rw-r--r--arch/mips/include/uapi/asm/sigcontext.h12
-rw-r--r--arch/mips/include/uapi/asm/swab.h7
-rw-r--r--arch/mips/include/uapi/asm/ucontext.h65
-rw-r--r--arch/mips/include/uapi/asm/unistd.h18
67 files changed, 1083 insertions, 785 deletions
diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
index 1f8546081..c7fe4d01e 100644
--- a/arch/mips/include/asm/Kbuild
+++ b/arch/mips/include/asm/Kbuild
@@ -16,6 +16,6 @@ generic-y += sections.h
generic-y += segment.h
generic-y += serial.h
generic-y += trace_clock.h
-generic-y += ucontext.h
generic-y += user.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/mips/include/asm/abi.h b/arch/mips/include/asm/abi.h
index 7186bb51b..37f84078e 100644
--- a/arch/mips/include/asm/abi.h
+++ b/arch/mips/include/asm/abi.h
@@ -20,6 +20,10 @@ struct mips_abi {
struct pt_regs *regs, sigset_t *set);
const unsigned long rt_signal_return_offset;
const unsigned long restart;
+
+ unsigned off_sc_fpregs;
+ unsigned off_sc_fpc_csr;
+ unsigned off_sc_used_math;
};
#endif /* _ASM_ABI_H */
diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
index 76317a702..867f924b0 100644
--- a/arch/mips/include/asm/asmmacro.h
+++ b/arch/mips/include/asm/asmmacro.h
@@ -232,6 +232,30 @@
.set pop
.endm
+ .macro ld_b wd, off, base
+ .set push
+ .set mips32r2
+ .set msa
+ ld.b $w\wd, \off(\base)
+ .set pop
+ .endm
+
+ .macro ld_h wd, off, base
+ .set push
+ .set mips32r2
+ .set msa
+ ld.h $w\wd, \off(\base)
+ .set pop
+ .endm
+
+ .macro ld_w wd, off, base
+ .set push
+ .set mips32r2
+ .set msa
+ ld.w $w\wd, \off(\base)
+ .set pop
+ .endm
+
.macro ld_d wd, off, base
.set push
.set mips32r2
@@ -241,6 +265,30 @@
.set pop
.endm
+ .macro st_b wd, off, base
+ .set push
+ .set mips32r2
+ .set msa
+ st.b $w\wd, \off(\base)
+ .set pop
+ .endm
+
+ .macro st_h wd, off, base
+ .set push
+ .set mips32r2
+ .set msa
+ st.h $w\wd, \off(\base)
+ .set pop
+ .endm
+
+ .macro st_w wd, off, base
+ .set push
+ .set mips32r2
+ .set msa
+ st.w $w\wd, \off(\base)
+ .set pop
+ .endm
+
.macro st_d wd, off, base
.set push
.set mips32r2
@@ -290,7 +338,13 @@
#ifdef CONFIG_CPU_MICROMIPS
#define CFC_MSA_INSN 0x587e0056
#define CTC_MSA_INSN 0x583e0816
+#define LDB_MSA_INSN 0x58000807
+#define LDH_MSA_INSN 0x58000817
+#define LDW_MSA_INSN 0x58000827
#define LDD_MSA_INSN 0x58000837
+#define STB_MSA_INSN 0x5800080f
+#define STH_MSA_INSN 0x5800081f
+#define STW_MSA_INSN 0x5800082f
#define STD_MSA_INSN 0x5800083f
#define COPY_UW_MSA_INSN 0x58f00056
#define COPY_UD_MSA_INSN 0x58f80056
@@ -299,7 +353,13 @@
#else
#define CFC_MSA_INSN 0x787e0059
#define CTC_MSA_INSN 0x783e0819
+#define LDB_MSA_INSN 0x78000820
+#define LDH_MSA_INSN 0x78000821
+#define LDW_MSA_INSN 0x78000822
#define LDD_MSA_INSN 0x78000823
+#define STB_MSA_INSN 0x78000824
+#define STH_MSA_INSN 0x78000825
+#define STW_MSA_INSN 0x78000826
#define STD_MSA_INSN 0x78000827
#define COPY_UW_MSA_INSN 0x78f00059
#define COPY_UD_MSA_INSN 0x78f80059
@@ -329,6 +389,33 @@
.set pop
.endm
+ .macro ld_b wd, off, base
+ .set push
+ .set noat
+ SET_HARDFLOAT
+ addu $1, \base, \off
+ .word LDB_MSA_INSN | (\wd << 6)
+ .set pop
+ .endm
+
+ .macro ld_h wd, off, base
+ .set push
+ .set noat
+ SET_HARDFLOAT
+ addu $1, \base, \off
+ .word LDH_MSA_INSN | (\wd << 6)
+ .set pop
+ .endm
+
+ .macro ld_w wd, off, base
+ .set push
+ .set noat
+ SET_HARDFLOAT
+ addu $1, \base, \off
+ .word LDW_MSA_INSN | (\wd << 6)
+ .set pop
+ .endm
+
.macro ld_d wd, off, base
.set push
.set noat
@@ -338,6 +425,33 @@
.set pop
.endm
+ .macro st_b wd, off, base
+ .set push
+ .set noat
+ SET_HARDFLOAT
+ addu $1, \base, \off
+ .word STB_MSA_INSN | (\wd << 6)
+ .set pop
+ .endm
+
+ .macro st_h wd, off, base
+ .set push
+ .set noat
+ SET_HARDFLOAT
+ addu $1, \base, \off
+ .word STH_MSA_INSN | (\wd << 6)
+ .set pop
+ .endm
+
+ .macro st_w wd, off, base
+ .set push
+ .set noat
+ SET_HARDFLOAT
+ addu $1, \base, \off
+ .word STW_MSA_INSN | (\wd << 6)
+ .set pop
+ .endm
+
.macro st_d wd, off, base
.set push
.set noat
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index 26d436336..4c42fd9af 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -137,6 +137,10 @@ static __inline__ int atomic_##op##_return(int i, atomic_t * v) \
ATOMIC_OPS(add, +=, addu)
ATOMIC_OPS(sub, -=, subu)
+ATOMIC_OP(and, &=, and)
+ATOMIC_OP(or, |=, or)
+ATOMIC_OP(xor, ^=, xor)
+
#undef ATOMIC_OPS
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
@@ -416,6 +420,9 @@ static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \
ATOMIC64_OPS(add, +=, daddu)
ATOMIC64_OPS(sub, -=, dsubu)
+ATOMIC64_OP(and, &=, and)
+ATOMIC64_OP(or, |=, or)
+ATOMIC64_OP(xor, ^=, xor)
#undef ATOMIC64_OPS
#undef ATOMIC64_OP_RETURN
diff --git a/arch/mips/include/asm/barrier.h b/arch/mips/include/asm/barrier.h
index 7ecba8465..752e0b86c 100644
--- a/arch/mips/include/asm/barrier.h
+++ b/arch/mips/include/asm/barrier.h
@@ -133,12 +133,12 @@
do { \
compiletime_assert_atomic_type(*p); \
smp_mb(); \
- ACCESS_ONCE(*p) = (v); \
+ WRITE_ONCE(*p, v); \
} while (0)
#define smp_load_acquire(p) \
({ \
- typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ typeof(*p) ___p1 = READ_ONCE(*p); \
compiletime_assert_atomic_type(*p); \
smp_mb(); \
___p1; \
diff --git a/arch/mips/include/asm/cdmm.h b/arch/mips/include/asm/cdmm.h
index 16e22ce97..c06dbf8ba 100644
--- a/arch/mips/include/asm/cdmm.h
+++ b/arch/mips/include/asm/cdmm.h
@@ -53,7 +53,7 @@ struct mips_cdmm_driver {
* mips_cdmm_phys_base() - Choose a physical base address for CDMM region.
*
* Picking a suitable physical address at which to map the CDMM region is
- * platform specific, so this weak function can be defined by platform code to
+ * platform specific, so this function can be defined by platform code to
* pick a suitable value if none is configured by the bootloader.
*
* This address must be 32kB aligned, and the region occupies a maximum of 32kB
@@ -61,7 +61,7 @@ struct mips_cdmm_driver {
*
* Returns: Physical base address for CDMM region, or 0 on failure.
*/
-phys_addr_t __weak mips_cdmm_phys_base(void);
+phys_addr_t mips_cdmm_phys_base(void);
extern struct bus_type mips_cdmm_bustype;
void __iomem *mips_cdmm_early_probe(unsigned int dev_type);
@@ -84,6 +84,17 @@ void mips_cdmm_driver_unregister(struct mips_cdmm_driver *);
module_driver(__mips_cdmm_driver, mips_cdmm_driver_register, \
mips_cdmm_driver_unregister)
+/*
+ * builtin_mips_cdmm_driver() - Helper macro for drivers that don't do anything
+ * special in init and have no exit. This eliminates some boilerplate. Each
+ * driver may only use this macro once, and calling it replaces device_initcall
+ * (or in some cases, the legacy __initcall). This is meant to be a direct
+ * parallel of module_mips_cdmm_driver() above but without the __exit stuff that
+ * is not used for builtin cases.
+ */
+#define builtin_mips_cdmm_driver(__mips_cdmm_driver) \
+ builtin_driver(__mips_cdmm_driver, mips_cdmm_driver_register)
+
/* drivers/tty/mips_ejtag_fdc.c */
#ifdef CONFIG_MIPS_EJTAG_FDC_EARLYCON
diff --git a/arch/mips/include/asm/cevt-r4k.h b/arch/mips/include/asm/cevt-r4k.h
index f0edf6fcd..2e13a038d 100644
--- a/arch/mips/include/asm/cevt-r4k.h
+++ b/arch/mips/include/asm/cevt-r4k.h
@@ -21,7 +21,6 @@ DECLARE_PER_CPU(struct clock_event_device, mips_clockevent_device);
void mips_event_handler(struct clock_event_device *dev);
int c0_compare_int_usable(void);
-void mips_set_clock_mode(enum clock_event_mode, struct clock_event_device *);
irqreturn_t c0_compare_interrupt(int, void *);
extern struct irqaction c0_compare_irqaction;
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index f25de771f..fe67f12ac 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -20,6 +20,9 @@
#ifndef cpu_has_tlb
#define cpu_has_tlb (cpu_data[0].options & MIPS_CPU_TLB)
#endif
+#ifndef cpu_has_ftlb
+#define cpu_has_ftlb (cpu_data[0].options & MIPS_CPU_FTLB)
+#endif
#ifndef cpu_has_tlbinv
#define cpu_has_tlbinv (cpu_data[0].options & MIPS_CPU_TLBINV)
#endif
@@ -411,4 +414,8 @@
# define cpu_has_cdmm (cpu_data[0].options & MIPS_CPU_CDMM)
#endif
+#ifndef cpu_has_small_pages
+# define cpu_has_small_pages (cpu_data[0].options & MIPS_CPU_SP)
+#endif
+
#endif /* __ASM_CPU_FEATURES_H */
diff --git a/arch/mips/include/asm/cpu-type.h b/arch/mips/include/asm/cpu-type.h
index d41e8e284..abee2bfd1 100644
--- a/arch/mips/include/asm/cpu-type.h
+++ b/arch/mips/include/asm/cpu-type.h
@@ -77,6 +77,10 @@ static inline int __pure __get_cpu_type(const int cpu_type)
*/
#endif
+#ifdef CONFIG_SYS_HAS_CPU_MIPS64_R6
+ case CPU_I6400:
+#endif
+
#ifdef CONFIG_SYS_HAS_CPU_R3000
case CPU_R2000:
case CPU_R3000:
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index e46e40602..82ad15f11 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -120,6 +120,7 @@
#define PRID_IMP_PROAPTIV_MP 0xa300
#define PRID_IMP_M5150 0xa700
#define PRID_IMP_P5600 0xa800
+#define PRID_IMP_I6400 0xa900
/*
* These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
@@ -307,6 +308,7 @@ enum cpu_type_enum {
CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350,
CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_LOONGSON1, CPU_M14KC,
CPU_M14KEC, CPU_INTERAPTIV, CPU_P5600, CPU_PROAPTIV, CPU_1074K, CPU_M5150,
+ CPU_I6400,
/*
* MIPS64 class processors
@@ -382,6 +384,8 @@ enum cpu_type_enum {
#define MIPS_CPU_XPA 0x2000000000ull /* CPU supports Extended Physical Addressing */
#define MIPS_CPU_CDMM 0x4000000000ull /* CPU has Common Device Memory Map */
#define MIPS_CPU_BP_GHIST 0x8000000000ull /* R12K+ Branch Prediction Global History */
+#define MIPS_CPU_SP 0x10000000000ull /* Small (1KB) page support */
+#define MIPS_CPU_FTLB 0x20000000000ull /* CPU has Fixed-page-size TLB */
/*
* CPU ASE encodings
diff --git a/arch/mips/include/asm/debug.h b/arch/mips/include/asm/debug.h
deleted file mode 100644
index 1fd5a2b39..000000000
--- a/arch/mips/include/asm/debug.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Debug macros for run-time debugging.
- * Turned on/off with CONFIG_RUNTIME_DEBUG option.
- *
- * Copyright (C) 2001 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-
-#ifndef _ASM_DEBUG_H
-#define _ASM_DEBUG_H
-
-
-/*
- * run-time macros for catching spurious errors. Eable CONFIG_RUNTIME_DEBUG in
- * kernel hacking config menu to use them.
- *
- * Use them as run-time debugging aid. NEVER USE THEM AS ERROR HANDLING CODE!!!
- */
-
-#ifdef CONFIG_RUNTIME_DEBUG
-
-#include <linux/kernel.h>
-
-#define db_assert(x) if (!(x)) { \
- panic("assertion failed at %s:%d: %s", __FILE__, __LINE__, #x); }
-#define db_warn(x) if (!(x)) { \
- printk(KERN_WARNING "warning at %s:%d: %s", __FILE__, __LINE__, #x); }
-#define db_verify(x, y) db_assert(x y)
-#define db_verify_warn(x, y) db_warn(x y)
-#define db_run(x) do { x; } while (0)
-
-#else
-
-#define db_assert(x)
-#define db_warn(x)
-#define db_verify(x, y) x
-#define db_verify_warn(x, y) x
-#define db_run(x)
-
-#endif
-
-#endif /* _ASM_DEBUG_H */
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index 360b33871..e604f760c 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -4,7 +4,6 @@
#include <linux/scatterlist.h>
#include <asm/dma-coherence.h>
#include <asm/cache.h>
-#include <asm-generic/dma-coherent.h>
#ifndef CONFIG_SGI_IP27 /* Kludge to fix 2.6.39 build for IP27 */
#include <dma-coherence.h>
@@ -32,73 +31,7 @@ static inline void dma_mark_clean(void *addr, size_t size) {}
#include <asm-generic/dma-mapping-common.h>
-static inline int dma_supported(struct device *dev, u64 mask)
-{
- struct dma_map_ops *ops = get_dma_ops(dev);
- return ops->dma_supported(dev, mask);
-}
-
-static inline int dma_mapping_error(struct device *dev, u64 mask)
-{
- struct dma_map_ops *ops = get_dma_ops(dev);
-
- debug_dma_mapping_error(dev, mask);
- return ops->mapping_error(dev, mask);
-}
-
-static inline int
-dma_set_mask(struct device *dev, u64 mask)
-{
- struct dma_map_ops *ops = get_dma_ops(dev);
-
- if(!dev->dma_mask || !dma_supported(dev, mask))
- return -EIO;
-
- if (ops->set_dma_mask)
- return ops->set_dma_mask(dev, mask);
-
- *dev->dma_mask = mask;
-
- return 0;
-}
-
extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
enum dma_data_direction direction);
-#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL)
-
-static inline void *dma_alloc_attrs(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t gfp,
- struct dma_attrs *attrs)
-{
- void *ret;
- struct dma_map_ops *ops = get_dma_ops(dev);
-
- ret = ops->alloc(dev, size, dma_handle, gfp, attrs);
-
- debug_dma_alloc_coherent(dev, size, *dma_handle, ret);
-
- return ret;
-}
-
-#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
-
-static inline void dma_free_attrs(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle,
- struct dma_attrs *attrs)
-{
- struct dma_map_ops *ops = get_dma_ops(dev);
-
- ops->free(dev, size, vaddr, dma_handle, attrs);
-
- debug_dma_free_coherent(dev, size, vaddr, dma_handle);
-}
-
-
-void *dma_alloc_noncoherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flag);
-
-void dma_free_noncoherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle);
-
#endif /* _ASM_DMA_MAPPING_H */
diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h
index f19e890b9..53b26933b 100644
--- a/arch/mips/include/asm/elf.h
+++ b/arch/mips/include/asm/elf.h
@@ -382,7 +382,9 @@ do { \
instruction set this cpu supports. This could be done in userspace,
but it's not easy, and we've already done it here. */
-#define ELF_HWCAP (0)
+#define ELF_HWCAP (elf_hwcap)
+extern unsigned int elf_hwcap;
+#include <asm/hwcap.h>
/*
* This yields a string that ld.so will use to load implementation
diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h
index 1b0625189..9cbf383b8 100644
--- a/arch/mips/include/asm/fpu.h
+++ b/arch/mips/include/asm/fpu.h
@@ -164,25 +164,30 @@ static inline int own_fpu(int restore)
return ret;
}
-static inline void lose_fpu(int save)
+static inline void lose_fpu_inatomic(int save, struct task_struct *tsk)
{
- preempt_disable();
if (is_msa_enabled()) {
if (save) {
- save_msa(current);
- current->thread.fpu.fcr31 =
+ save_msa(tsk);
+ tsk->thread.fpu.fcr31 =
read_32bit_cp1_register(CP1_STATUS);
}
disable_msa();
- clear_thread_flag(TIF_USEDMSA);
+ clear_tsk_thread_flag(tsk, TIF_USEDMSA);
__disable_fpu();
} else if (is_fpu_owner()) {
if (save)
- _save_fp(current);
+ _save_fp(tsk);
__disable_fpu();
}
- KSTK_STATUS(current) &= ~ST0_CU1;
- clear_thread_flag(TIF_USEDFPU);
+ KSTK_STATUS(tsk) &= ~ST0_CU1;
+ clear_tsk_thread_flag(tsk, TIF_USEDFPU);
+}
+
+static inline void lose_fpu(int save)
+{
+ preempt_disable();
+ lose_fpu_inatomic(save, current);
preempt_enable();
}
diff --git a/arch/mips/include/asm/gpio.h b/arch/mips/include/asm/gpio.h
deleted file mode 100644
index 06e46faf8..000000000
--- a/arch/mips/include/asm/gpio.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_MIPS_GPIO_H
-#define __ASM_MIPS_GPIO_H
-
-#include <gpio.h>
-
-#endif /* __ASM_MIPS_GPIO_H */
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 9e777cd42..d10fd80db 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -256,6 +256,7 @@ static inline void __iomem * __ioremap_mode(phys_addr_t offset, unsigned long si
*/
#define ioremap_nocache(offset, size) \
__ioremap_mode((offset), (size), _CACHE_UNCACHED)
+#define ioremap_uc ioremap_nocache
/*
* ioremap_cachable - map bus memory into CPU space
diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h
index f0db99f8d..15e0fecbc 100644
--- a/arch/mips/include/asm/irq.h
+++ b/arch/mips/include/asm/irq.h
@@ -49,7 +49,7 @@ extern int cp0_compare_irq_shift;
extern int cp0_perfcount_irq;
extern int cp0_fdc_irq;
-extern int __weak get_c0_fdc_int(void);
+extern int get_c0_fdc_int(void);
void arch_trigger_all_cpu_backtrace(bool);
#define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
diff --git a/arch/mips/include/asm/jump_label.h b/arch/mips/include/asm/jump_label.h
index 608aa5779..e77672539 100644
--- a/arch/mips/include/asm/jump_label.h
+++ b/arch/mips/include/asm/jump_label.h
@@ -26,14 +26,29 @@
#define NOP_INSN "nop"
#endif
-static __always_inline bool arch_static_branch(struct static_key *key)
+static __always_inline bool arch_static_branch(struct static_key *key, bool branch)
{
asm_volatile_goto("1:\t" NOP_INSN "\n\t"
"nop\n\t"
".pushsection __jump_table, \"aw\"\n\t"
WORD_INSN " 1b, %l[l_yes], %0\n\t"
".popsection\n\t"
- : : "i" (key) : : l_yes);
+ : : "i" (&((char *)key)[branch]) : : l_yes);
+
+ return false;
+l_yes:
+ return true;
+}
+
+static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch)
+{
+ asm_volatile_goto("1:\tj %l[l_yes]\n\t"
+ "nop\n\t"
+ ".pushsection __jump_table, \"aw\"\n\t"
+ WORD_INSN " 1b, %l[l_yes], %0\n\t"
+ ".popsection\n\t"
+ : : "i" (&((char *)key)[branch]) : : l_yes);
+
return false;
l_yes:
return true;
diff --git a/arch/mips/include/asm/kdebug.h b/arch/mips/include/asm/kdebug.h
index cba22ab7a..8e3d08e73 100644
--- a/arch/mips/include/asm/kdebug.h
+++ b/arch/mips/include/asm/kdebug.h
@@ -11,7 +11,9 @@ enum die_val {
DIE_PAGE_FAULT,
DIE_BREAK,
DIE_SSTEPBP,
- DIE_MSAFP
+ DIE_MSAFP,
+ DIE_UPROBE,
+ DIE_UPROBE_XOL,
};
#endif /* _ASM_MIPS_KDEBUG_H */
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index e8c8d9d0c..5a1a882e0 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -61,6 +61,7 @@
#define KVM_PRIVATE_MEM_SLOTS 0
#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
+#define KVM_HALT_POLL_NS_DEFAULT 500000
@@ -128,6 +129,7 @@ struct kvm_vcpu_stat {
u32 msa_disabled_exits;
u32 flush_dcache_exits;
u32 halt_successful_poll;
+ u32 halt_attempted_poll;
u32 halt_wakeup;
};
diff --git a/arch/mips/include/asm/linkage.h b/arch/mips/include/asm/linkage.h
index 2767dda9e..99651b0ea 100644
--- a/arch/mips/include/asm/linkage.h
+++ b/arch/mips/include/asm/linkage.h
@@ -5,7 +5,6 @@
#include <asm/asm.h>
#endif
-#define __weak __attribute__((weak))
#define cond_syscall(x) asm(".weak\t" #x "\n" #x "\t=\tsys_ni_syscall")
#define SYSCALL_ALIAS(alias, name) \
asm ( #alias " = " #name "\n\t.globl " #alias)
diff --git a/arch/mips/include/asm/maar.h b/arch/mips/include/asm/maar.h
index 6c62b0f89..21d9607c8 100644
--- a/arch/mips/include/asm/maar.h
+++ b/arch/mips/include/asm/maar.h
@@ -26,7 +26,7 @@
*
* Return: The number of MAAR pairs configured.
*/
-unsigned __weak platform_maar_init(unsigned num_pairs);
+unsigned platform_maar_init(unsigned num_pairs);
/**
* write_maar_pair() - write to a pair of MAARs
@@ -66,6 +66,15 @@ static inline void write_maar_pair(unsigned idx, phys_addr_t lower,
}
/**
+ * maar_init() - initialise MAARs
+ *
+ * Performs initialisation of MAARs for the current CPU, making use of the
+ * platforms implementation of platform_maar_init where necessary and
+ * duplicating the setup it provides on secondary CPUs.
+ */
+extern void maar_init(void);
+
+/**
* struct maar_config - MAAR configuration data
* @lower: The lowest address that the MAAR pair will affect. Must be
* aligned to a 2^16 byte boundary.
diff --git a/arch/mips/include/asm/mach-ar7/ar7.h b/arch/mips/include/asm/mach-ar7/ar7.h
index a47ea0c85..468cbd61b 100644
--- a/arch/mips/include/asm/mach-ar7/ar7.h
+++ b/arch/mips/include/asm/mach-ar7/ar7.h
@@ -203,4 +203,8 @@ static inline void ar7_device_off(u32 bit)
int __init ar7_gpio_init(void);
void __init ar7_init_clocks(void);
+/* Board specific GPIO functions */
+int ar7_gpio_enable(unsigned gpio);
+int ar7_gpio_disable(unsigned gpio);
+
#endif /* __AR7_H__ */
diff --git a/arch/mips/include/asm/mach-ar7/gpio.h b/arch/mips/include/asm/mach-ar7/gpio.h
deleted file mode 100644
index c177cd1ee..000000000
--- a/arch/mips/include/asm/mach-ar7/gpio.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2007-2009 Florian Fainelli <florian@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef __AR7_GPIO_H__
-#define __AR7_GPIO_H__
-
-#include <asm/mach-ar7/ar7.h>
-
-#define AR7_GPIO_MAX 32
-#define TITAN_GPIO_MAX 51
-#define NR_BUILTIN_GPIO TITAN_GPIO_MAX
-
-#define gpio_to_irq(gpio) -1
-
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-
-#define gpio_cansleep __gpio_cansleep
-
-/* Board specific GPIO functions */
-int ar7_gpio_enable(unsigned gpio);
-int ar7_gpio_disable(unsigned gpio);
-
-#include <asm-generic/gpio.h>
-
-#endif
diff --git a/arch/mips/include/asm/mach-ath25/gpio.h b/arch/mips/include/asm/mach-ath25/gpio.h
deleted file mode 100644
index 713564b8e..000000000
--- a/arch/mips/include/asm/mach-ath25/gpio.h
+++ /dev/null
@@ -1,16 +0,0 @@
-#ifndef __ASM_MACH_ATH25_GPIO_H
-#define __ASM_MACH_ATH25_GPIO_H
-
-#include <asm-generic/gpio.h>
-
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-#define gpio_cansleep __gpio_cansleep
-#define gpio_to_irq __gpio_to_irq
-
-static inline int irq_to_gpio(unsigned irq)
-{
- return -EINVAL;
-}
-
-#endif /* __ASM_MACH_ATH25_GPIO_H */
diff --git a/arch/mips/include/asm/mach-ath79/gpio.h b/arch/mips/include/asm/mach-ath79/gpio.h
deleted file mode 100644
index 60dcb6278..000000000
--- a/arch/mips/include/asm/mach-ath79/gpio.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Atheros AR71XX/AR724X/AR913X GPIO API definitions
- *
- * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- *
- */
-
-#ifndef __ASM_MACH_ATH79_GPIO_H
-#define __ASM_MACH_ATH79_GPIO_H
-
-#define ARCH_NR_GPIOS 64
-#include <asm-generic/gpio.h>
-
-int gpio_to_irq(unsigned gpio);
-int irq_to_gpio(unsigned irq);
-int gpio_get_value(unsigned gpio);
-void gpio_set_value(unsigned gpio, int value);
-
-#define gpio_cansleep __gpio_cansleep
-
-#endif /* __ASM_MACH_ATH79_GPIO_H */
diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h
index 9785e4ebb..adde1fa50 100644
--- a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h
+++ b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h
@@ -266,6 +266,17 @@ static inline int alchemy_gpio1_to_irq(int gpio)
return -ENXIO;
}
+/* On Au1000, Au1500 and Au1100 GPIOs won't work as inputs before
+ * SYS_PININPUTEN is written to at least once. On Au1550/Au1200/Au1300 this
+ * register enables use of GPIOs as wake source.
+ */
+static inline void alchemy_gpio1_input_enable(void)
+{
+ void __iomem *base = (void __iomem *)KSEG1ADDR(AU1000_SYS_PHYS_ADDR);
+ __raw_writel(0, base + 0x110); /* the write op is key */
+ wmb();
+}
+
/*
* GPIO2 block macros for common linux GPIO functions. The 'gpio'
* parameter must be in range of ALCHEMY_GPIO2_BASE..ALCHEMY_GPIO2_MAX.
@@ -518,141 +529,4 @@ static inline int alchemy_irq_to_gpio(int irq)
return -ENXIO;
}
-/**********************************************************************/
-
-/* Linux gpio framework integration.
- *
- * 4 use cases of Au1000-Au1200 GPIOS:
- *(1) GPIOLIB=y, ALCHEMY_GPIO_INDIRECT=y:
- * Board must register gpiochips.
- *(2) GPIOLIB=y, ALCHEMY_GPIO_INDIRECT=n:
- * 2 (1 for Au1000) gpio_chips are registered.
- *
- *(3) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=y:
- * the boards' gpio.h must provide the linux gpio wrapper functions,
- *
- *(4) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=n:
- * inlinable gpio functions are provided which enable access to the
- * Au1000 gpios only by using the numbers straight out of the data-
- * sheets.
-
- * Cases 1 and 3 are intended for boards which want to provide their own
- * GPIO namespace and -operations (i.e. for example you have 8 GPIOs
- * which are in part provided by spare Au1000 GPIO pins and in part by
- * an external FPGA but you still want them to be accssible in linux
- * as gpio0-7. The board can of course use the alchemy_gpioX_* functions
- * as required).
- */
-
-#ifndef CONFIG_GPIOLIB
-
-#ifdef CONFIG_ALCHEMY_GPIOINT_AU1000
-
-#ifndef CONFIG_ALCHEMY_GPIO_INDIRECT /* case (4) */
-
-static inline int gpio_direction_input(int gpio)
-{
- return alchemy_gpio_direction_input(gpio);
-}
-
-static inline int gpio_direction_output(int gpio, int v)
-{
- return alchemy_gpio_direction_output(gpio, v);
-}
-
-static inline int gpio_get_value(int gpio)
-{
- return alchemy_gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(int gpio, int v)
-{
- alchemy_gpio_set_value(gpio, v);
-}
-
-static inline int gpio_get_value_cansleep(unsigned gpio)
-{
- return gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value_cansleep(unsigned gpio, int value)
-{
- gpio_set_value(gpio, value);
-}
-
-static inline int gpio_is_valid(int gpio)
-{
- return alchemy_gpio_is_valid(gpio);
-}
-
-static inline int gpio_cansleep(int gpio)
-{
- return alchemy_gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(int gpio)
-{
- return alchemy_gpio_to_irq(gpio);
-}
-
-static inline int irq_to_gpio(int irq)
-{
- return alchemy_irq_to_gpio(irq);
-}
-
-static inline int gpio_request(unsigned gpio, const char *label)
-{
- return 0;
-}
-
-static inline int gpio_request_one(unsigned gpio,
- unsigned long flags, const char *label)
-{
- return 0;
-}
-
-static inline int gpio_request_array(struct gpio *array, size_t num)
-{
- return 0;
-}
-
-static inline void gpio_free(unsigned gpio)
-{
-}
-
-static inline void gpio_free_array(struct gpio *array, size_t num)
-{
-}
-
-static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
-{
- return -ENOSYS;
-}
-
-static inline int gpio_export(unsigned gpio, bool direction_may_change)
-{
- return -ENOSYS;
-}
-
-static inline int gpio_export_link(struct device *dev, const char *name,
- unsigned gpio)
-{
- return -ENOSYS;
-}
-
-static inline int gpio_sysfs_set_active_low(unsigned gpio, int value)
-{
- return -ENOSYS;
-}
-
-static inline void gpio_unexport(unsigned gpio)
-{
-}
-
-#endif /* !CONFIG_ALCHEMY_GPIO_INDIRECT */
-
-#endif /* CONFIG_ALCHEMY_GPIOINT_AU1000 */
-
-#endif /* !CONFIG_GPIOLIB */
-
#endif /* _ALCHEMY_GPIO_AU1000_H_ */
diff --git a/arch/mips/include/asm/mach-au1x00/gpio.h b/arch/mips/include/asm/mach-au1x00/gpio.h
deleted file mode 100644
index 22e7ff17f..000000000
--- a/arch/mips/include/asm/mach-au1x00/gpio.h
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Alchemy GPIO support.
- *
- * With CONFIG_GPIOLIB=y different types of on-chip GPIO can be supported within
- * the same kernel image.
- * With CONFIG_GPIOLIB=n, your board must select ALCHEMY_GPIOINT_AU1XXX for the
- * appropriate CPU type (AU1000 currently).
- */
-
-#ifndef _ALCHEMY_GPIO_H_
-#define _ALCHEMY_GPIO_H_
-
-#include <asm/mach-au1x00/au1000.h>
-#include <asm/mach-au1x00/gpio-au1000.h>
-#include <asm/mach-au1x00/gpio-au1300.h>
-
-/* On Au1000, Au1500 and Au1100 GPIOs won't work as inputs before
- * SYS_PININPUTEN is written to at least once. On Au1550/Au1200/Au1300 this
- * register enables use of GPIOs as wake source.
- */
-static inline void alchemy_gpio1_input_enable(void)
-{
- void __iomem *base = (void __iomem *)KSEG1ADDR(AU1000_SYS_PHYS_ADDR);
- __raw_writel(0, base + 0x110); /* the write op is key */
- wmb();
-}
-
-
-/* Linux gpio framework integration.
-*
-* 4 use cases of Alchemy GPIOS:
-*(1) GPIOLIB=y, ALCHEMY_GPIO_INDIRECT=y:
-* Board must register gpiochips.
-*(2) GPIOLIB=y, ALCHEMY_GPIO_INDIRECT=n:
-* A gpiochip for the 75 GPIOs is registered.
-*
-*(3) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=y:
-* the boards' gpio.h must provide the linux gpio wrapper functions,
-*
-*(4) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=n:
-* inlinable gpio functions are provided which enable access to the
-* Au1300 gpios only by using the numbers straight out of the data-
-* sheets.
-
-* Cases 1 and 3 are intended for boards which want to provide their own
-* GPIO namespace and -operations (i.e. for example you have 8 GPIOs
-* which are in part provided by spare Au1300 GPIO pins and in part by
-* an external FPGA but you still want them to be accssible in linux
-* as gpio0-7. The board can of course use the alchemy_gpioX_* functions
-* as required).
-*/
-
-#ifdef CONFIG_GPIOLIB
-
-/* wraps the cpu-dependent irq_to_gpio functions */
-/* FIXME: gpiolib needs an irq_to_gpio hook */
-static inline int __au_irq_to_gpio(unsigned int irq)
-{
- switch (alchemy_get_cputype()) {
- case ALCHEMY_CPU_AU1000...ALCHEMY_CPU_AU1200:
- return alchemy_irq_to_gpio(irq);
- case ALCHEMY_CPU_AU1300:
- return au1300_irq_to_gpio(irq);
- }
- return -EINVAL;
-}
-
-
-/* using gpiolib to provide up to 2 gpio_chips for on-chip gpios */
-#ifndef CONFIG_ALCHEMY_GPIO_INDIRECT /* case (2) */
-
-/* get everything through gpiolib */
-#define gpio_to_irq __gpio_to_irq
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-#define gpio_cansleep __gpio_cansleep
-#define irq_to_gpio __au_irq_to_gpio
-
-#include <asm-generic/gpio.h>
-
-#endif /* !CONFIG_ALCHEMY_GPIO_INDIRECT */
-
-
-#endif /* CONFIG_GPIOLIB */
-
-#endif /* _ALCHEMY_GPIO_H_ */
diff --git a/arch/mips/include/asm/mach-bcm47xx/gpio.h b/arch/mips/include/asm/mach-bcm47xx/gpio.h
deleted file mode 100644
index 90daefa24..000000000
--- a/arch/mips/include/asm/mach-bcm47xx/gpio.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef __ASM_MIPS_MACH_BCM47XX_GPIO_H
-#define __ASM_MIPS_MACH_BCM47XX_GPIO_H
-
-#include <asm-generic/gpio.h>
-
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-
-#define gpio_cansleep __gpio_cansleep
-#define gpio_to_irq __gpio_to_irq
-
-static inline int irq_to_gpio(unsigned int irq)
-{
- return -EINVAL;
-}
-
-#endif
diff --git a/arch/mips/include/asm/mach-bcm63xx/gpio.h b/arch/mips/include/asm/mach-bcm63xx/gpio.h
deleted file mode 100644
index 1eb534de8..000000000
--- a/arch/mips/include/asm/mach-bcm63xx/gpio.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifndef __ASM_MIPS_MACH_BCM63XX_GPIO_H
-#define __ASM_MIPS_MACH_BCM63XX_GPIO_H
-
-#include <bcm63xx_gpio.h>
-
-#define gpio_to_irq(gpio) -1
-
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-
-#define gpio_cansleep __gpio_cansleep
-
-#include <asm-generic/gpio.h>
-
-#endif /* __ASM_MIPS_MACH_BCM63XX_GPIO_H */
diff --git a/arch/mips/include/asm/mach-cavium-octeon/gpio.h b/arch/mips/include/asm/mach-cavium-octeon/gpio.h
deleted file mode 100644
index 34e9f7aab..000000000
--- a/arch/mips/include/asm/mach-cavium-octeon/gpio.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#ifndef __ASM_MACH_CAVIUM_OCTEON_GPIO_H
-#define __ASM_MACH_CAVIUM_OCTEON_GPIO_H
-
-#ifdef CONFIG_GPIOLIB
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-#define gpio_cansleep __gpio_cansleep
-#else
-int gpio_request(unsigned gpio, const char *label);
-void gpio_free(unsigned gpio);
-int gpio_direction_input(unsigned gpio);
-int gpio_direction_output(unsigned gpio, int value);
-int gpio_get_value(unsigned gpio);
-void gpio_set_value(unsigned gpio, int value);
-#endif
-
-#include <asm-generic/gpio.h>
-
-#define gpio_to_irq __gpio_to_irq
-
-#endif /* __ASM_MACH_GENERIC_GPIO_H */
diff --git a/arch/mips/include/asm/mach-generic/gpio.h b/arch/mips/include/asm/mach-generic/gpio.h
deleted file mode 100644
index b4e70208d..000000000
--- a/arch/mips/include/asm/mach-generic/gpio.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#ifndef __ASM_MACH_GENERIC_GPIO_H
-#define __ASM_MACH_GENERIC_GPIO_H
-
-#ifdef CONFIG_GPIOLIB
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-#define gpio_cansleep __gpio_cansleep
-#else
-int gpio_request(unsigned gpio, const char *label);
-void gpio_free(unsigned gpio);
-int gpio_direction_input(unsigned gpio);
-int gpio_direction_output(unsigned gpio, int value);
-int gpio_get_value(unsigned gpio);
-void gpio_set_value(unsigned gpio, int value);
-#endif
-int gpio_to_irq(unsigned gpio);
-int irq_to_gpio(unsigned irq);
-
-#include <asm-generic/gpio.h> /* cansleep wrappers */
-
-#endif /* __ASM_MACH_GENERIC_GPIO_H */
diff --git a/arch/mips/include/asm/mach-jz4740/gpio.h b/arch/mips/include/asm/mach-jz4740/gpio.h
index eaacba79c..bf8c3e186 100644
--- a/arch/mips/include/asm/mach-jz4740/gpio.h
+++ b/arch/mips/include/asm/mach-jz4740/gpio.h
@@ -73,8 +73,6 @@ int jz_gpio_port_direction_output(int port, uint32_t mask);
void jz_gpio_port_set_value(int port, uint32_t value, uint32_t mask);
uint32_t jz_gpio_port_get_value(int port, uint32_t mask);
-#include <asm/mach-generic/gpio.h>
-
#define JZ_GPIO_PORTA(x) ((x) + 32 * 0)
#define JZ_GPIO_PORTB(x) ((x) + 32 * 1)
#define JZ_GPIO_PORTC(x) ((x) + 32 * 2)
diff --git a/arch/mips/include/asm/mach-lantiq/gpio.h b/arch/mips/include/asm/mach-lantiq/gpio.h
deleted file mode 100644
index 9ba1caebc..000000000
--- a/arch/mips/include/asm/mach-lantiq/gpio.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#ifndef __ASM_MIPS_MACH_LANTIQ_GPIO_H
-#define __ASM_MIPS_MACH_LANTIQ_GPIO_H
-
-#define gpio_to_irq __gpio_to_irq
-
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-
-#define gpio_cansleep __gpio_cansleep
-
-#include <asm-generic/gpio.h>
-
-#endif
diff --git a/arch/mips/include/asm/mach-loongson64/gpio.h b/arch/mips/include/asm/mach-loongson64/gpio.h
deleted file mode 100644
index b3b216904..000000000
--- a/arch/mips/include/asm/mach-loongson64/gpio.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Loongson GPIO Support
- *
- * Copyright (c) 2008 Richard Liu, STMicroelectronics <richard.liu@st.com>
- * Copyright (c) 2008-2010 Arnaud Patard <apatard@mandriva.com>
- * Copyright (c) 2014 Huacai Chen <chenhc@lemote.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef __LOONGSON_GPIO_H
-#define __LOONGSON_GPIO_H
-
-#include <asm-generic/gpio.h>
-
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-#define gpio_cansleep __gpio_cansleep
-
-/* The chip can do interrupt
- * but it has not been tested and doc not clear
- */
-static inline int gpio_to_irq(int gpio)
-{
- return -EINVAL;
-}
-
-static inline int irq_to_gpio(int gpio)
-{
- return -EINVAL;
-}
-
-#endif /* __LOONGSON_GPIO_H */
diff --git a/arch/mips/include/asm/mach-pistachio/gpio.h b/arch/mips/include/asm/mach-pistachio/gpio.h
deleted file mode 100644
index 6c1649c27..000000000
--- a/arch/mips/include/asm/mach-pistachio/gpio.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * Pistachio IRQ setup
- *
- * Copyright (C) 2014 Google, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- */
-
-#ifndef __ASM_MACH_PISTACHIO_GPIO_H
-#define __ASM_MACH_PISTACHIO_GPIO_H
-
-#include <asm-generic/gpio.h>
-
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-#define gpio_cansleep __gpio_cansleep
-#define gpio_to_irq __gpio_to_irq
-
-#endif /* __ASM_MACH_PISTACHIO_GPIO_H */
diff --git a/arch/mips/include/asm/mach-rc32434/gpio.h b/arch/mips/include/asm/mach-rc32434/gpio.h
index 4dee0a342..db211212c 100644
--- a/arch/mips/include/asm/mach-rc32434/gpio.h
+++ b/arch/mips/include/asm/mach-rc32434/gpio.h
@@ -13,18 +13,6 @@
#ifndef _RC32434_GPIO_H_
#define _RC32434_GPIO_H_
-#include <linux/types.h>
-#include <asm-generic/gpio.h>
-
-#define NR_BUILTIN_GPIO 32
-
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-#define gpio_cansleep __gpio_cansleep
-
-#define gpio_to_irq(gpio) (8 + 4 * 32 + gpio)
-#define irq_to_gpio(irq) (irq - (8 + 4 * 32))
-
struct rb532_gpio_reg {
u32 gpiofunc; /* GPIO Function Register
* gpiofunc[x]==0 bit = gpio
diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h
index edc7ee952..1f1927ab4 100644
--- a/arch/mips/include/asm/mips-cm.h
+++ b/arch/mips/include/asm/mips-cm.h
@@ -33,6 +33,29 @@ extern void __iomem *mips_cm_l2sync_base;
*/
extern phys_addr_t __mips_cm_phys_base(void);
+/*
+ * mips_cm_is64 - determine CM register width
+ *
+ * The CM register width is processor and CM specific. A 64-bit processor
+ * usually has a 64-bit CM and a 32-bit one has a 32-bit CM but a 64-bit
+ * processor could come with a 32-bit CM. Moreover, accesses on 64-bit CMs
+ * can be done either using regular 64-bit load/store instructions, or 32-bit
+ * load/store instruction on 32-bit register pairs. We opt for using 64-bit
+ * accesses on 64-bit CMs and kernels and 32-bit in any other case.
+ *
+ * It's set to 0 for 32-bit accesses and 1 for 64-bit accesses.
+ */
+extern int mips_cm_is64;
+
+/**
+ * mips_cm_error_report - Report CM cache errors
+ */
+#ifdef CONFIG_MIPS_CM
+extern void mips_cm_error_report(void);
+#else
+static inline void mips_cm_error_report(void) {}
+#endif
+
/**
* mips_cm_probe - probe for a Coherence Manager
*
@@ -90,20 +113,46 @@ static inline bool mips_cm_has_l2sync(void)
/* Macros to ease the creation of register access functions */
#define BUILD_CM_R_(name, off) \
-static inline u32 __iomem *addr_gcr_##name(void) \
+static inline unsigned long __iomem *addr_gcr_##name(void) \
{ \
- return (u32 __iomem *)(mips_cm_base + (off)); \
+ return (unsigned long __iomem *)(mips_cm_base + (off)); \
} \
\
-static inline u32 read_gcr_##name(void) \
+static inline u32 read32_gcr_##name(void) \
{ \
return __raw_readl(addr_gcr_##name()); \
+} \
+ \
+static inline u64 read64_gcr_##name(void) \
+{ \
+ return __raw_readq(addr_gcr_##name()); \
+} \
+ \
+static inline unsigned long read_gcr_##name(void) \
+{ \
+ if (mips_cm_is64) \
+ return read64_gcr_##name(); \
+ else \
+ return read32_gcr_##name(); \
}
#define BUILD_CM__W(name, off) \
-static inline void write_gcr_##name(u32 value) \
+static inline void write32_gcr_##name(u32 value) \
{ \
__raw_writel(value, addr_gcr_##name()); \
+} \
+ \
+static inline void write64_gcr_##name(u64 value) \
+{ \
+ __raw_writeq(value, addr_gcr_##name()); \
+} \
+ \
+static inline void write_gcr_##name(unsigned long value) \
+{ \
+ if (mips_cm_is64) \
+ write64_gcr_##name(value); \
+ else \
+ write32_gcr_##name(value); \
}
#define BUILD_CM_RW(name, off) \
@@ -144,6 +193,8 @@ BUILD_CM_RW(reg3_base, MIPS_CM_GCB_OFS + 0xc0)
BUILD_CM_RW(reg3_mask, MIPS_CM_GCB_OFS + 0xc8)
BUILD_CM_R_(gic_status, MIPS_CM_GCB_OFS + 0xd0)
BUILD_CM_R_(cpc_status, MIPS_CM_GCB_OFS + 0xf0)
+BUILD_CM_RW(l2_config, MIPS_CM_GCB_OFS + 0x130)
+BUILD_CM_RW(sys_config2, MIPS_CM_GCB_OFS + 0x150)
/* Core Local & Core Other register accessor functions */
BUILD_CM_Cx_RW(reset_release, 0x00)
@@ -189,6 +240,13 @@ BUILD_CM_Cx_R_(tcid_8_priority, 0x80)
#define CM_GCR_REV_MINOR_SHF 0
#define CM_GCR_REV_MINOR_MSK (_ULCAST_(0xff) << 0)
+#define CM_ENCODE_REV(major, minor) \
+ (((major) << CM_GCR_REV_MAJOR_SHF) | \
+ ((minor) << CM_GCR_REV_MINOR_SHF))
+
+#define CM_REV_CM2 CM_ENCODE_REV(6, 0)
+#define CM_REV_CM3 CM_ENCODE_REV(8, 0)
+
/* GCR_ERROR_CAUSE register fields */
#define CM_GCR_ERROR_CAUSE_ERRTYPE_SHF 27
#define CM_GCR_ERROR_CAUSE_ERRTYPE_MSK (_ULCAST_(0x1f) << 27)
@@ -249,6 +307,20 @@ BUILD_CM_Cx_R_(tcid_8_priority, 0x80)
#define CM_GCR_CPC_STATUS_EX_SHF 0
#define CM_GCR_CPC_STATUS_EX_MSK (_ULCAST_(0x1) << 0)
+/* GCR_L2_CONFIG register fields */
+#define CM_GCR_L2_CONFIG_BYPASS_SHF 20
+#define CM_GCR_L2_CONFIG_BYPASS_MSK (_ULCAST_(0x1) << 20)
+#define CM_GCR_L2_CONFIG_SET_SIZE_SHF 12
+#define CM_GCR_L2_CONFIG_SET_SIZE_MSK (_ULCAST_(0xf) << 12)
+#define CM_GCR_L2_CONFIG_LINE_SIZE_SHF 8
+#define CM_GCR_L2_CONFIG_LINE_SIZE_MSK (_ULCAST_(0xf) << 8)
+#define CM_GCR_L2_CONFIG_ASSOC_SHF 0
+#define CM_GCR_L2_CONFIG_ASSOC_MSK (_ULCAST_(0xff) << 0)
+
+/* GCR_SYS_CONFIG2 register fields */
+#define CM_GCR_SYS_CONFIG2_MAXVPW_SHF 0
+#define CM_GCR_SYS_CONFIG2_MAXVPW_MSK (_ULCAST_(0xf) << 0)
+
/* GCR_Cx_COHERENCE register fields */
#define CM_GCR_Cx_COHERENCE_COHDOMAINEN_SHF 0
#define CM_GCR_Cx_COHERENCE_COHDOMAINEN_MSK (_ULCAST_(0xff) << 0)
@@ -324,4 +396,52 @@ static inline int mips_cm_l2sync(void)
return 0;
}
+/**
+ * mips_cm_revision() - return CM revision
+ *
+ * Return: The revision of the CM, from GCR_REV, or 0 if no CM is present. The
+ * return value should be checked against the CM_REV_* macros.
+ */
+static inline int mips_cm_revision(void)
+{
+ if (!mips_cm_present())
+ return 0;
+
+ return read_gcr_rev();
+}
+
+/**
+ * mips_cm_max_vp_width() - return the width in bits of VP indices
+ *
+ * Return: the width, in bits, of VP indices in fields that combine core & VP
+ * indices.
+ */
+static inline unsigned int mips_cm_max_vp_width(void)
+{
+ extern int smp_num_siblings;
+
+ if (mips_cm_revision() >= CM_REV_CM3)
+ return read_gcr_sys_config2() & CM_GCR_SYS_CONFIG2_MAXVPW_MSK;
+
+ return smp_num_siblings;
+}
+
+/**
+ * mips_cm_vp_id() - calculate the hardware VP ID for a CPU
+ * @cpu: the CPU whose VP ID to calculate
+ *
+ * Hardware such as the GIC uses identifiers for VPs which may not match the
+ * CPU numbers used by Linux. This function calculates the hardware VP
+ * identifier corresponding to a given CPU.
+ *
+ * Return: the VP ID for the CPU.
+ */
+static inline unsigned int mips_cm_vp_id(unsigned int cpu)
+{
+ unsigned int core = cpu_data[cpu].core;
+ unsigned int vp = cpu_vpe_id(&cpu_data[cpu]);
+
+ return (core * mips_cm_max_vp_width()) + vp;
+}
+
#endif /* __MIPS_ASM_MIPS_CM_H__ */
diff --git a/arch/mips/include/asm/mips-cpc.h b/arch/mips/include/asm/mips-cpc.h
index 1cebe8c79..f386f3270 100644
--- a/arch/mips/include/asm/mips-cpc.h
+++ b/arch/mips/include/asm/mips-cpc.h
@@ -28,16 +28,6 @@ extern void __iomem *mips_cpc_base;
extern phys_addr_t mips_cpc_default_phys_base(void);
/**
- * mips_cpc_phys_base - retrieve the physical base address of the CPC
- *
- * This function returns the physical base address of the Cluster Power
- * Controller memory mapped registers, or 0 if no Cluster Power Controller
- * is present. It may be overriden by individual platforms which determine
- * this address in a different way.
- */
-extern phys_addr_t __weak mips_cpc_phys_base(void);
-
-/**
* mips_cpc_probe - probe for a Cluster Power Controller
*
* Attempt to detect the presence of a Cluster Power Controller. Returns 0 if
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index c5b0956a8..c64781cf6 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -112,6 +112,30 @@
#define CP0_TX39_CACHE $7
+/* Generic EntryLo bit definitions */
+#define ENTRYLO_G (_ULCAST_(1) << 0)
+#define ENTRYLO_V (_ULCAST_(1) << 1)
+#define ENTRYLO_D (_ULCAST_(1) << 2)
+#define ENTRYLO_C_SHIFT 3
+#define ENTRYLO_C (_ULCAST_(7) << ENTRYLO_C_SHIFT)
+
+/* R3000 EntryLo bit definitions */
+#define R3K_ENTRYLO_G (_ULCAST_(1) << 8)
+#define R3K_ENTRYLO_V (_ULCAST_(1) << 9)
+#define R3K_ENTRYLO_D (_ULCAST_(1) << 10)
+#define R3K_ENTRYLO_N (_ULCAST_(1) << 11)
+
+/* MIPS32/64 EntryLo bit definitions */
+#ifdef CONFIG_64BIT
+/* as read by dmfc0 */
+#define MIPS_ENTRYLO_XI (_ULCAST_(1) << 62)
+#define MIPS_ENTRYLO_RI (_ULCAST_(1) << 63)
+#else
+/* as read by mfc0 */
+#define MIPS_ENTRYLO_XI (_ULCAST_(1) << 30)
+#define MIPS_ENTRYLO_RI (_ULCAST_(1) << 31)
+#endif
+
/*
* Values for PageMask register
*/
@@ -203,6 +227,9 @@
#define PG_ESP (_ULCAST_(1) << 28)
#define PG_IEC (_ULCAST_(1) << 27)
+/* MIPS32/64 EntryHI bit definitions */
+#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
+
/*
* R4x00 interrupt enable / cause bits
*/
@@ -460,6 +487,8 @@
/* Bits specific to the MIPS32/64 PRA. */
#define MIPS_CONF_MT (_ULCAST_(7) << 7)
+#define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7)
+#define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7)
#define MIPS_CONF_AR (_ULCAST_(7) << 10)
#define MIPS_CONF_AT (_ULCAST_(3) << 13)
#define MIPS_CONF_M (_ULCAST_(1) << 31)
@@ -579,6 +608,8 @@
#define MIPS_CONF7_IAR (_ULCAST_(1) << 10)
#define MIPS_CONF7_AR (_ULCAST_(1) << 16)
+/* FTLB probability bits for R6 */
+#define MIPS_CONF7_FTLBP_SHIFT (18)
/* MAAR bit definitions */
#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
@@ -586,31 +617,6 @@
#define MIPS_MAAR_S (_ULCAST_(1) << 1)
#define MIPS_MAAR_V (_ULCAST_(1) << 0)
-/* EntryHI bit definition */
-#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10)
-
-/* R3000 EntryLo bit definitions */
-#define R3K_ENTRYLO_G (_ULCAST_(1) << 8)
-#define R3K_ENTRYLO_V (_ULCAST_(1) << 9)
-#define R3K_ENTRYLO_D (_ULCAST_(1) << 10)
-#define R3K_ENTRYLO_N (_ULCAST_(1) << 11)
-
-/* R4000 compatible EntryLo bit definitions */
-#define MIPS_ENTRYLO_G (_ULCAST_(1) << 0)
-#define MIPS_ENTRYLO_V (_ULCAST_(1) << 1)
-#define MIPS_ENTRYLO_D (_ULCAST_(1) << 2)
-#define MIPS_ENTRYLO_C_SHIFT 3
-#define MIPS_ENTRYLO_C (_ULCAST_(7) << MIPS_ENTRYLO_C_SHIFT)
-#ifdef CONFIG_64BIT
-/* as read by dmfc0 */
-#define MIPS_ENTRYLO_XI (_ULCAST_(1) << 62)
-#define MIPS_ENTRYLO_RI (_ULCAST_(1) << 63)
-#else
-/* as read by mfc0 */
-#define MIPS_ENTRYLO_XI (_ULCAST_(1) << 30)
-#define MIPS_ENTRYLO_RI (_ULCAST_(1) << 31)
-#endif
-
/* CMGCRBase bit definitions */
#define MIPS_CMGCRB_BASE 11
#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
@@ -932,7 +938,7 @@ do { \
*/
#define __read_32bit_c0_register(source, sel) \
-({ int __res; \
+({ unsigned int __res; \
if (sel == 0) \
__asm__ __volatile__( \
"mfc0\t%0, " #source "\n\t" \
@@ -1014,7 +1020,7 @@ do { \
* On RM7000/RM9000 these are uses to access cop0 set 1 registers
*/
#define __read_32bit_c0_ctrl_register(source) \
-({ int __res; \
+({ unsigned int __res; \
__asm__ __volatile__( \
"cfc0\t%0, " #source "\n\t" \
: "=r" (__res)); \
@@ -1471,7 +1477,7 @@ do { \
*/
#define _read_32bit_cp1_register(source, gas_hardfloat) \
({ \
- int __res; \
+ unsigned int __res; \
\
__asm__ __volatile__( \
" .set push \n" \
diff --git a/arch/mips/include/asm/msa.h b/arch/mips/include/asm/msa.h
index af5638b12..bbb85fe21 100644
--- a/arch/mips/include/asm/msa.h
+++ b/arch/mips/include/asm/msa.h
@@ -14,10 +14,90 @@
#ifndef __ASSEMBLY__
+#include <asm/inst.h>
+
extern void _save_msa(struct task_struct *);
extern void _restore_msa(struct task_struct *);
extern void _init_msa_upper(void);
+extern void read_msa_wr_b(unsigned idx, union fpureg *to);
+extern void read_msa_wr_h(unsigned idx, union fpureg *to);
+extern void read_msa_wr_w(unsigned idx, union fpureg *to);
+extern void read_msa_wr_d(unsigned idx, union fpureg *to);
+
+/**
+ * read_msa_wr() - Read a single MSA vector register
+ * @idx: The index of the vector register to read
+ * @to: The FPU register union to store the registers value in
+ * @fmt: The format of the data in the vector register
+ *
+ * Read the value of MSA vector register idx into the FPU register
+ * union to, using the format fmt.
+ */
+static inline void read_msa_wr(unsigned idx, union fpureg *to,
+ enum msa_2b_fmt fmt)
+{
+ switch (fmt) {
+ case msa_fmt_b:
+ read_msa_wr_b(idx, to);
+ break;
+
+ case msa_fmt_h:
+ read_msa_wr_h(idx, to);
+ break;
+
+ case msa_fmt_w:
+ read_msa_wr_w(idx, to);
+ break;
+
+ case msa_fmt_d:
+ read_msa_wr_d(idx, to);
+ break;
+
+ default:
+ BUG();
+ }
+}
+
+extern void write_msa_wr_b(unsigned idx, union fpureg *from);
+extern void write_msa_wr_h(unsigned idx, union fpureg *from);
+extern void write_msa_wr_w(unsigned idx, union fpureg *from);
+extern void write_msa_wr_d(unsigned idx, union fpureg *from);
+
+/**
+ * write_msa_wr() - Write a single MSA vector register
+ * @idx: The index of the vector register to write
+ * @from: The FPU register union to take the registers value from
+ * @fmt: The format of the data in the vector register
+ *
+ * Write the value from the FPU register union from into MSA vector
+ * register idx, using the format fmt.
+ */
+static inline void write_msa_wr(unsigned idx, union fpureg *from,
+ enum msa_2b_fmt fmt)
+{
+ switch (fmt) {
+ case msa_fmt_b:
+ write_msa_wr_b(idx, from);
+ break;
+
+ case msa_fmt_h:
+ write_msa_wr_h(idx, from);
+ break;
+
+ case msa_fmt_w:
+ write_msa_wr_w(idx, from);
+ break;
+
+ case msa_fmt_d:
+ write_msa_wr_d(idx, from);
+ break;
+
+ default:
+ BUG();
+ }
+}
+
static inline void enable_msa(void)
{
if (cpu_has_msa) {
diff --git a/arch/mips/include/asm/netlogic/common.h b/arch/mips/include/asm/netlogic/common.h
index 2a4c12827..be52c2125 100644
--- a/arch/mips/include/asm/netlogic/common.h
+++ b/arch/mips/include/asm/netlogic/common.h
@@ -57,8 +57,8 @@
#include <asm/mach-netlogic/multi-node.h>
struct irq_desc;
-void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc);
-void nlm_smp_resched_ipi_handler(unsigned int irq, struct irq_desc *desc);
+void nlm_smp_function_ipi_handler(struct irq_desc *desc);
+void nlm_smp_resched_ipi_handler(struct irq_desc *desc);
void nlm_smp_irq_init(int hwcpuid);
void nlm_boot_secondary_cpus(void);
int nlm_wakeup_secondary_cpus(void);
diff --git a/arch/mips/include/asm/octeon/cvmx-bootinfo.h b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
index c373d95b5..d92cf59bd 100644
--- a/arch/mips/include/asm/octeon/cvmx-bootinfo.h
+++ b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
@@ -284,6 +284,7 @@ enum cvmx_board_types_enum {
CVMX_BOARD_TYPE_CUST_PRIVATE_MIN = 20001,
CVMX_BOARD_TYPE_UBNT_E100 = 20002,
CVMX_BOARD_TYPE_CUST_DSR1000N = 20006,
+ CVMX_BOARD_TYPE_KONTRON_S1901 = 21901,
CVMX_BOARD_TYPE_CUST_PRIVATE_MAX = 30000,
/* The remaining range is reserved for future use. */
@@ -384,6 +385,7 @@ static inline const char *cvmx_board_type_to_string(enum
ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MIN)
ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E100)
ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DSR1000N)
+ ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KONTRON_S1901)
ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX)
}
return "Unsupported Board";
diff --git a/arch/mips/include/asm/octeon/cvmx-pip.h b/arch/mips/include/asm/octeon/cvmx-pip.h
index df69bfd2b..c210154ad 100644
--- a/arch/mips/include/asm/octeon/cvmx-pip.h
+++ b/arch/mips/include/asm/octeon/cvmx-pip.h
@@ -37,7 +37,7 @@
#include <asm/octeon/cvmx-fpa.h>
#include <asm/octeon/cvmx-pip-defs.h>
-#define CVMX_PIP_NUM_INPUT_PORTS 40
+#define CVMX_PIP_NUM_INPUT_PORTS 48
#define CVMX_PIP_NUM_WATCHERS 4
/*
diff --git a/arch/mips/include/asm/octeon/cvmx-pko.h b/arch/mips/include/asm/octeon/cvmx-pko.h
index 3da59bb8c..5f47f76ed 100644
--- a/arch/mips/include/asm/octeon/cvmx-pko.h
+++ b/arch/mips/include/asm/octeon/cvmx-pko.h
@@ -542,6 +542,9 @@ static inline int cvmx_pko_get_base_queue_per_core(int port, int core)
*/
static inline int cvmx_pko_get_base_queue(int port)
{
+ if (OCTEON_IS_MODEL(OCTEON_CN68XX))
+ return port;
+
return cvmx_pko_get_base_queue_per_core(port, 0);
}
diff --git a/arch/mips/include/asm/octeon/cvmx-pow-defs.h b/arch/mips/include/asm/octeon/cvmx-pow-defs.h
index 9020ef443..6a3db4b06 100644
--- a/arch/mips/include/asm/octeon/cvmx-pow-defs.h
+++ b/arch/mips/include/asm/octeon/cvmx-pow-defs.h
@@ -52,6 +52,12 @@
#define CVMX_POW_WQ_INT_THRX(offset) (CVMX_ADD_IO_SEG(0x0001670000000080ull) + ((offset) & 15) * 8)
#define CVMX_POW_WS_PCX(offset) (CVMX_ADD_IO_SEG(0x0001670000000280ull) + ((offset) & 15) * 8)
+#define CVMX_SSO_WQ_INT (CVMX_ADD_IO_SEG(0x0001670000001000ull))
+#define CVMX_SSO_WQ_IQ_DIS (CVMX_ADD_IO_SEG(0x0001670000001010ull))
+#define CVMX_SSO_WQ_INT_PC (CVMX_ADD_IO_SEG(0x0001670000001020ull))
+#define CVMX_SSO_PPX_GRP_MSK(offset) (CVMX_ADD_IO_SEG(0x0001670000006000ull) + ((offset) & 31) * 8)
+#define CVMX_SSO_WQ_INT_THRX(offset) (CVMX_ADD_IO_SEG(0x0001670000007000ull) + ((offset) & 63) * 8)
+
union cvmx_pow_bist_stat {
uint64_t u64;
struct cvmx_pow_bist_stat_s {
@@ -1286,4 +1292,27 @@ union cvmx_pow_ws_pcx {
struct cvmx_pow_ws_pcx_s cnf71xx;
};
+union cvmx_sso_wq_int_thrx {
+ uint64_t u64;
+ struct {
+#ifdef __BIG_ENDIAN_BITFIELD
+ uint64_t reserved_33_63:31;
+ uint64_t tc_en:1;
+ uint64_t tc_thr:4;
+ uint64_t reserved_26_27:2;
+ uint64_t ds_thr:12;
+ uint64_t reserved_12_13:2;
+ uint64_t iq_thr:12;
+#else
+ uint64_t iq_thr:12;
+ uint64_t reserved_12_13:2;
+ uint64_t ds_thr:12;
+ uint64_t reserved_26_27:2;
+ uint64_t tc_thr:4;
+ uint64_t tc_en:1;
+ uint64_t reserved_33_63:31;
+#endif
+ } s;
+};
+
#endif
diff --git a/arch/mips/include/asm/octeon/cvmx-pow.h b/arch/mips/include/asm/octeon/cvmx-pow.h
index d5565d758..51531563f 100644
--- a/arch/mips/include/asm/octeon/cvmx-pow.h
+++ b/arch/mips/include/asm/octeon/cvmx-pow.h
@@ -1810,10 +1810,11 @@ static inline void cvmx_pow_work_submit(cvmx_wqe_t *wqp, uint32_t tag,
cvmx_addr_t ptr;
cvmx_pow_tag_req_t tag_req;
- wqp->qos = qos;
- wqp->tag = tag;
- wqp->tag_type = tag_type;
- wqp->grp = grp;
+ wqp->word1.tag = tag;
+ wqp->word1.tag_type = tag_type;
+
+ cvmx_wqe_set_qos(wqp, qos);
+ cvmx_wqe_set_grp(wqp, grp);
tag_req.u64 = 0;
tag_req.s.op = CVMX_POW_TAG_OP_ADDWQ;
diff --git a/arch/mips/include/asm/octeon/cvmx-wqe.h b/arch/mips/include/asm/octeon/cvmx-wqe.h
index 2d6d0c712..0d697aa78 100644
--- a/arch/mips/include/asm/octeon/cvmx-wqe.h
+++ b/arch/mips/include/asm/octeon/cvmx-wqe.h
@@ -193,6 +193,53 @@ typedef union {
uint64_t bufs:8;
#endif
} s;
+ struct {
+#ifdef __BIG_ENDIAN_BITFIELD
+ uint64_t bufs:8;
+ uint64_t ip_offset:8;
+ uint64_t vlan_valid:1;
+ uint64_t vlan_stacked:1;
+ uint64_t unassigned:1;
+ uint64_t vlan_cfi:1;
+ uint64_t vlan_id:12;
+ uint64_t port:12; /* MAC/PIP port number. */
+ uint64_t dec_ipcomp:1;
+ uint64_t tcp_or_udp:1;
+ uint64_t dec_ipsec:1;
+ uint64_t is_v6:1;
+ uint64_t software:1;
+ uint64_t L4_error:1;
+ uint64_t is_frag:1;
+ uint64_t IP_exc:1;
+ uint64_t is_bcast:1;
+ uint64_t is_mcast:1;
+ uint64_t not_IP:1;
+ uint64_t rcv_error:1;
+ uint64_t err_code:8;
+#else
+ uint64_t err_code:8;
+ uint64_t rcv_error:1;
+ uint64_t not_IP:1;
+ uint64_t is_mcast:1;
+ uint64_t is_bcast:1;
+ uint64_t IP_exc:1;
+ uint64_t is_frag:1;
+ uint64_t L4_error:1;
+ uint64_t software:1;
+ uint64_t is_v6:1;
+ uint64_t dec_ipsec:1;
+ uint64_t tcp_or_udp:1;
+ uint64_t dec_ipcomp:1;
+ uint64_t port:12;
+ uint64_t vlan_id:12;
+ uint64_t vlan_cfi:1;
+ uint64_t unassigned:1;
+ uint64_t vlan_stacked:1;
+ uint64_t vlan_valid:1;
+ uint64_t ip_offset:8;
+ uint64_t bufs:8;
+#endif
+ } s_cn68xx;
/* use this to get at the 16 vlan bits */
struct {
@@ -355,6 +402,146 @@ typedef union {
} cvmx_pip_wqe_word2;
+union cvmx_pip_wqe_word0 {
+ struct {
+#ifdef __BIG_ENDIAN_BITFIELD
+ /**
+ * raw chksum result generated by the HW
+ */
+ uint16_t hw_chksum;
+ /**
+ * Field unused by hardware - available for software
+ */
+ uint8_t unused;
+ /**
+ * Next pointer used by hardware for list maintenance.
+ * May be written/read by HW before the work queue
+ * entry is scheduled to a PP (Only 36 bits used in
+ * Octeon 1)
+ */
+ uint64_t next_ptr:40;
+#else
+ uint64_t next_ptr:40;
+ uint8_t unused;
+ uint16_t hw_chksum;
+#endif
+ } cn38xx;
+ struct {
+#ifdef __BIG_ENDIAN_BITFIELD
+ uint64_t l4ptr:8; /* 56..63 */
+ uint64_t unused0:8; /* 48..55 */
+ uint64_t l3ptr:8; /* 40..47 */
+ uint64_t l2ptr:8; /* 32..39 */
+ uint64_t unused1:18; /* 14..31 */
+ uint64_t bpid:6; /* 8..13 */
+ uint64_t unused2:2; /* 6..7 */
+ uint64_t pknd:6; /* 0..5 */
+#else
+ uint64_t pknd:6; /* 0..5 */
+ uint64_t unused2:2; /* 6..7 */
+ uint64_t bpid:6; /* 8..13 */
+ uint64_t unused1:18; /* 14..31 */
+ uint64_t l2ptr:8; /* 32..39 */
+ uint64_t l3ptr:8; /* 40..47 */
+ uint64_t unused0:8; /* 48..55 */
+ uint64_t l4ptr:8; /* 56..63 */
+#endif
+ } cn68xx;
+};
+
+union cvmx_wqe_word0 {
+ uint64_t u64;
+ union cvmx_pip_wqe_word0 pip;
+};
+
+union cvmx_wqe_word1 {
+ uint64_t u64;
+ struct {
+#ifdef __BIG_ENDIAN_BITFIELD
+ uint64_t len:16;
+ uint64_t varies:14;
+ /**
+ * the type of the tag (ORDERED, ATOMIC, NULL)
+ */
+ uint64_t tag_type:2;
+ uint64_t tag:32;
+#else
+ uint64_t tag:32;
+ uint64_t tag_type:2;
+ uint64_t varies:14;
+ uint64_t len:16;
+#endif
+ };
+ struct {
+#ifdef __BIG_ENDIAN_BITFIELD
+ uint64_t len:16;
+ uint64_t zero_0:1;
+ /**
+ * HW sets this to what it thought the priority of
+ * the input packet was
+ */
+ uint64_t qos:3;
+
+ uint64_t zero_1:1;
+ /**
+ * the group that the work queue entry will be scheduled to
+ */
+ uint64_t grp:6;
+ uint64_t zero_2:3;
+ uint64_t tag_type:2;
+ uint64_t tag:32;
+#else
+ uint64_t tag:32;
+ uint64_t tag_type:2;
+ uint64_t zero_2:3;
+ uint64_t grp:6;
+ uint64_t zero_1:1;
+ uint64_t qos:3;
+ uint64_t zero_0:1;
+ uint64_t len:16;
+#endif
+ } cn68xx;
+ struct {
+#ifdef __BIG_ENDIAN_BITFIELD
+ /**
+ * HW sets to the total number of bytes in the packet
+ */
+ uint64_t len:16;
+ /**
+ * HW sets this to input physical port
+ */
+ uint64_t ipprt:6;
+
+ /**
+ * HW sets this to what it thought the priority of
+ * the input packet was
+ */
+ uint64_t qos:3;
+
+ /**
+ * the group that the work queue entry will be scheduled to
+ */
+ uint64_t grp:4;
+ /**
+ * the type of the tag (ORDERED, ATOMIC, NULL)
+ */
+ uint64_t tag_type:3;
+ /**
+ * the synchronization/ordering tag
+ */
+ uint64_t tag:32;
+#else
+ uint64_t tag:32;
+ uint64_t tag_type:2;
+ uint64_t zero_2:1;
+ uint64_t grp:4;
+ uint64_t qos:3;
+ uint64_t ipprt:6;
+ uint64_t len:16;
+#endif
+ } cn38xx;
+};
+
/**
* Work queue entry format
*
@@ -366,70 +553,13 @@ typedef struct {
* WORD 0
* HW WRITE: the following 64 bits are filled by HW when a packet arrives
*/
-
-#ifdef __BIG_ENDIAN_BITFIELD
- /**
- * raw chksum result generated by the HW
- */
- uint16_t hw_chksum;
- /**
- * Field unused by hardware - available for software
- */
- uint8_t unused;
- /**
- * Next pointer used by hardware for list maintenance.
- * May be written/read by HW before the work queue
- * entry is scheduled to a PP
- * (Only 36 bits used in Octeon 1)
- */
- uint64_t next_ptr:40;
-#else
- uint64_t next_ptr:40;
- uint8_t unused;
- uint16_t hw_chksum;
-#endif
+ union cvmx_wqe_word0 word0;
/*****************************************************************
* WORD 1
* HW WRITE: the following 64 bits are filled by HW when a packet arrives
*/
-
-#ifdef __BIG_ENDIAN_BITFIELD
- /**
- * HW sets to the total number of bytes in the packet
- */
- uint64_t len:16;
- /**
- * HW sets this to input physical port
- */
- uint64_t ipprt:6;
-
- /**
- * HW sets this to what it thought the priority of the input packet was
- */
- uint64_t qos:3;
-
- /**
- * the group that the work queue entry will be scheduled to
- */
- uint64_t grp:4;
- /**
- * the type of the tag (ORDERED, ATOMIC, NULL)
- */
- uint64_t tag_type:3;
- /**
- * the synchronization/ordering tag
- */
- uint64_t tag:32;
-#else
- uint64_t tag:32;
- uint64_t tag_type:2;
- uint64_t zero_2:1;
- uint64_t grp:4;
- uint64_t qos:3;
- uint64_t ipprt:6;
- uint64_t len:16;
-#endif
+ union cvmx_wqe_word1 word1;
/**
* WORD 2 HW WRITE: the following 64-bits are filled in by
@@ -465,4 +595,64 @@ typedef struct {
} CVMX_CACHE_LINE_ALIGNED cvmx_wqe_t;
+static inline int cvmx_wqe_get_port(cvmx_wqe_t *work)
+{
+ int port;
+
+ if (octeon_has_feature(OCTEON_FEATURE_CN68XX_WQE))
+ port = work->word2.s_cn68xx.port;
+ else
+ port = work->word1.cn38xx.ipprt;
+
+ return port;
+}
+
+static inline void cvmx_wqe_set_port(cvmx_wqe_t *work, int port)
+{
+ if (octeon_has_feature(OCTEON_FEATURE_CN68XX_WQE))
+ work->word2.s_cn68xx.port = port;
+ else
+ work->word1.cn38xx.ipprt = port;
+}
+
+static inline int cvmx_wqe_get_grp(cvmx_wqe_t *work)
+{
+ int grp;
+
+ if (octeon_has_feature(OCTEON_FEATURE_CN68XX_WQE))
+ grp = work->word1.cn68xx.grp;
+ else
+ grp = work->word1.cn38xx.grp;
+
+ return grp;
+}
+
+static inline void cvmx_wqe_set_grp(cvmx_wqe_t *work, int grp)
+{
+ if (octeon_has_feature(OCTEON_FEATURE_CN68XX_WQE))
+ work->word1.cn68xx.grp = grp;
+ else
+ work->word1.cn38xx.grp = grp;
+}
+
+static inline int cvmx_wqe_get_qos(cvmx_wqe_t *work)
+{
+ int qos;
+
+ if (octeon_has_feature(OCTEON_FEATURE_CN68XX_WQE))
+ qos = work->word1.cn68xx.qos;
+ else
+ qos = work->word1.cn38xx.qos;
+
+ return qos;
+}
+
+static inline void cvmx_wqe_set_qos(cvmx_wqe_t *work, int qos)
+{
+ if (octeon_has_feature(OCTEON_FEATURE_CN68XX_WQE))
+ work->word1.cn68xx.qos = qos;
+ else
+ work->word1.cn38xx.qos = qos;
+}
+
#endif /* __CVMX_WQE_H__ */
diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h
index c28a8499a..ff7ad91c8 100644
--- a/arch/mips/include/asm/pgtable-bits.h
+++ b/arch/mips/include/asm/pgtable-bits.h
@@ -133,20 +133,13 @@
#define _PAGE_HUGE (1 << _PAGE_HUGE_SHIFT)
#define _PAGE_SPLITTING_SHIFT (_PAGE_HUGE_SHIFT + 1)
#define _PAGE_SPLITTING (1 << _PAGE_SPLITTING_SHIFT)
-
-/* Only R2 or newer cores have the XI bit */
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
-#define _PAGE_NO_EXEC_SHIFT (_PAGE_SPLITTING_SHIFT + 1)
-#else
-#define _PAGE_GLOBAL_SHIFT (_PAGE_SPLITTING_SHIFT + 1)
-#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT)
-#endif /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */
-
#endif /* CONFIG_64BIT && CONFIG_MIPS_HUGE_TLB_SUPPORT */
#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
/* XI - page cannot be executed */
-#ifndef _PAGE_NO_EXEC_SHIFT
+#ifdef _PAGE_SPLITTING_SHIFT
+#define _PAGE_NO_EXEC_SHIFT (_PAGE_SPLITTING_SHIFT + 1)
+#else
#define _PAGE_NO_EXEC_SHIFT (_PAGE_MODIFIED_SHIFT + 1)
#endif
#define _PAGE_NO_EXEC (cpu_has_rixi ? (1 << _PAGE_NO_EXEC_SHIFT) : 0)
@@ -156,14 +149,16 @@
#define _PAGE_READ (cpu_has_rixi ? 0 : (1 << _PAGE_READ_SHIFT))
#define _PAGE_NO_READ_SHIFT _PAGE_READ_SHIFT
#define _PAGE_NO_READ (cpu_has_rixi ? (1 << _PAGE_READ_SHIFT) : 0)
+#endif /* defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) */
+#if defined(_PAGE_NO_READ_SHIFT)
#define _PAGE_GLOBAL_SHIFT (_PAGE_NO_READ_SHIFT + 1)
-#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT)
-
-#else /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR6 */
+#elif defined(_PAGE_SPLITTING_SHIFT)
+#define _PAGE_GLOBAL_SHIFT (_PAGE_SPLITTING_SHIFT + 1)
+#else
#define _PAGE_GLOBAL_SHIFT (_PAGE_MODIFIED_SHIFT + 1)
+#endif
#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT)
-#endif /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */
#define _PAGE_VALID_SHIFT (_PAGE_GLOBAL_SHIFT + 1)
#define _PAGE_VALID (1 << _PAGE_VALID_SHIFT)
@@ -249,7 +244,7 @@ static inline uint64_t pte_to_entrylo(unsigned long pte_val)
#define _CACHE_CACHABLE_NONCOHERENT (3<<_CACHE_SHIFT) /* LOONGSON */
#define _CACHE_CACHABLE_COHERENT (3<<_CACHE_SHIFT) /* LOONGSON-3 */
-#elif defined(CONFIG_MACH_JZ4740)
+#elif defined(CONFIG_MACH_INGENIC)
/* Ingenic uses the WA bit to achieve write-combine memory writes */
#define _CACHE_UNCACHED_ACCELERATED (1<<_CACHE_SHIFT)
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index ae8569475..8957f15e2 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -393,6 +393,8 @@ static inline pgprot_t pgprot_noncached(pgprot_t _prot)
return __pgprot(prot);
}
+#define pgprot_writecombine pgprot_writecombine
+
static inline pgprot_t pgprot_writecombine(pgprot_t _prot)
{
unsigned long prot = pgprot_val(_prot);
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index 9b3b48e21..59ee6dcf6 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -275,6 +275,7 @@ struct thread_struct {
unsigned long cp0_badvaddr; /* Last user fault */
unsigned long cp0_baduaddr; /* Last kernel fault accessing USEG */
unsigned long error_code;
+ unsigned long trap_nr;
#ifdef CONFIG_CPU_CAVIUM_OCTEON
struct octeon_cop2_state cp2 __attribute__ ((__aligned__(128)));
struct octeon_cvmseg_state cvmseg __attribute__ ((__aligned__(128)));
@@ -341,6 +342,7 @@ struct thread_struct {
.cp0_badvaddr = 0, \
.cp0_baduaddr = 0, \
.error_code = 0, \
+ .trap_nr = 0, \
/* \
* Platform specific cop2 registers(null if no COP2) \
*/ \
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index ffc320389..f6fc6aac5 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -14,11 +14,16 @@
#include <linux/linkage.h>
#include <linux/types.h>
#include <asm/isadep.h>
+#include <asm/page.h>
+#include <asm/thread_info.h>
#include <uapi/asm/ptrace.h>
/*
* This struct defines the way the registers are stored on the stack during a
* system call/exception. As usual the registers k0/k1 aren't being saved.
+ *
+ * If you add a register here, also add it to regoffset_table[] in
+ * arch/mips/kernel/ptrace.c.
*/
struct pt_regs {
#ifdef CONFIG_32BIT
@@ -43,8 +48,83 @@ struct pt_regs {
unsigned long long mpl[6]; /* MTM{0-5} */
unsigned long long mtp[6]; /* MTP{0-5} */
#endif
+ unsigned long __last[0];
} __aligned(8);
+static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
+{
+ return regs->regs[31];
+}
+
+/*
+ * Don't use asm-generic/ptrace.h it defines FP accessors that don't make
+ * sense on MIPS. We rather want an error if they get invoked.
+ */
+
+static inline void instruction_pointer_set(struct pt_regs *regs,
+ unsigned long val)
+{
+ regs->cp0_epc = val;
+}
+
+/* Query offset/name of register from its name/offset */
+extern int regs_query_register_offset(const char *name);
+#define MAX_REG_OFFSET (offsetof(struct pt_regs, __last))
+
+/**
+ * regs_get_register() - get register value from its offset
+ * @regs: pt_regs from which register value is gotten.
+ * @offset: offset number of the register.
+ *
+ * regs_get_register returns the value of a register. The @offset is the
+ * offset of the register in struct pt_regs address which specified by @regs.
+ * If @offset is bigger than MAX_REG_OFFSET, this returns 0.
+ */
+static inline unsigned long regs_get_register(struct pt_regs *regs,
+ unsigned int offset)
+{
+ if (unlikely(offset > MAX_REG_OFFSET))
+ return 0;
+
+ return *(unsigned long *)((unsigned long)regs + offset);
+}
+
+/**
+ * regs_within_kernel_stack() - check the address in the stack
+ * @regs: pt_regs which contains kernel stack pointer.
+ * @addr: address which is checked.
+ *
+ * regs_within_kernel_stack() checks @addr is within the kernel stack page(s).
+ * If @addr is within the kernel stack, it returns true. If not, returns false.
+ */
+static inline int regs_within_kernel_stack(struct pt_regs *regs,
+ unsigned long addr)
+{
+ return ((addr & ~(THREAD_SIZE - 1)) ==
+ (kernel_stack_pointer(regs) & ~(THREAD_SIZE - 1)));
+}
+
+/**
+ * regs_get_kernel_stack_nth() - get Nth entry of the stack
+ * @regs: pt_regs which contains kernel stack pointer.
+ * @n: stack entry number.
+ *
+ * regs_get_kernel_stack_nth() returns @n th entry of the kernel stack which
+ * is specified by @regs. If the @n th entry is NOT in the kernel stack,
+ * this returns 0.
+ */
+static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
+ unsigned int n)
+{
+ unsigned long *addr = (unsigned long *)kernel_stack_pointer(regs);
+
+ addr += n;
+ if (regs_within_kernel_stack(regs, (unsigned long)addr))
+ return *addr;
+ else
+ return 0;
+}
+
struct task_struct;
extern int ptrace_getregs(struct task_struct *child,
diff --git a/arch/mips/include/asm/signal.h b/arch/mips/include/asm/signal.h
index 8efe5a9e2..003e273ef 100644
--- a/arch/mips/include/asm/signal.h
+++ b/arch/mips/include/asm/signal.h
@@ -23,4 +23,7 @@
#define __ARCH_HAS_IRIX_SIGACTION
+extern int protected_save_fp_context(void __user *sc);
+extern int protected_restore_fp_context(void __user *sc);
+
#endif /* _ASM_SIGNAL_H */
diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h
index 9de4ba43d..40196bebe 100644
--- a/arch/mips/include/asm/spinlock.h
+++ b/arch/mips/include/asm/spinlock.h
@@ -42,6 +42,11 @@ static inline int arch_spin_is_locked(arch_spinlock_t *lock)
return ((counters >> 16) ^ counters) & 0xffff;
}
+static inline int arch_spin_value_unlocked(arch_spinlock_t lock)
+{
+ return lock.h.serving_now == lock.h.ticket;
+}
+
#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
#define arch_spin_unlock_wait(x) \
while (arch_spin_is_locked(x)) { cpu_relax(); }
diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h
index 7163cd7fd..28b5d84a5 100644
--- a/arch/mips/include/asm/switch_to.h
+++ b/arch/mips/include/asm/switch_to.h
@@ -16,29 +16,21 @@
#include <asm/watch.h>
#include <asm/dsp.h>
#include <asm/cop2.h>
-#include <asm/msa.h>
+#include <asm/fpu.h>
struct task_struct;
-enum {
- FP_SAVE_NONE = 0,
- FP_SAVE_VECTOR = -1,
- FP_SAVE_SCALAR = 1,
-};
-
/**
* resume - resume execution of a task
* @prev: The task previously executed.
* @next: The task to begin executing.
* @next_ti: task_thread_info(next).
- * @fp_save: Which, if any, FP context to save for prev.
*
* This function is used whilst scheduling to save the context of prev & load
* the context of next. Returns prev.
*/
extern asmlinkage struct task_struct *resume(struct task_struct *prev,
- struct task_struct *next, struct thread_info *next_ti,
- s32 fp_save);
+ struct task_struct *next, struct thread_info *next_ti);
extern unsigned int ll_bit;
extern struct task_struct *ll_task;
@@ -83,45 +75,38 @@ do { if (cpu_has_rw_llb) { \
} \
} while (0)
+/*
+ * For newly created kernel threads switch_to() will return to
+ * ret_from_kernel_thread, newly created user threads to ret_from_fork.
+ * That is, everything following resume() will be skipped for new threads.
+ * So everything that matters to new threads should be placed before resume().
+ */
#define switch_to(prev, next, last) \
do { \
- u32 __c0_stat; \
- s32 __fpsave = FP_SAVE_NONE; \
__mips_mt_fpaff_switch_to(prev); \
- if (cpu_has_dsp) \
+ lose_fpu_inatomic(1, prev); \
+ if (cpu_has_dsp) { \
__save_dsp(prev); \
- if (cop2_present && (KSTK_STATUS(prev) & ST0_CU2)) { \
- if (cop2_lazy_restore) \
- KSTK_STATUS(prev) &= ~ST0_CU2; \
- __c0_stat = read_c0_status(); \
- write_c0_status(__c0_stat | ST0_CU2); \
- cop2_save(prev); \
- write_c0_status(__c0_stat & ~ST0_CU2); \
+ __restore_dsp(next); \
} \
- __clear_software_ll_bit(); \
- if (test_and_clear_tsk_thread_flag(prev, TIF_USEDFPU)) \
- __fpsave = FP_SAVE_SCALAR; \
- if (test_and_clear_tsk_thread_flag(prev, TIF_USEDMSA)) \
- __fpsave = FP_SAVE_VECTOR; \
- (last) = resume(prev, next, task_thread_info(next), __fpsave); \
-} while (0)
-
-#define finish_arch_switch(prev) \
-do { \
- u32 __c0_stat; \
- if (cop2_present && !cop2_lazy_restore && \
- (KSTK_STATUS(current) & ST0_CU2)) { \
- __c0_stat = read_c0_status(); \
- write_c0_status(__c0_stat | ST0_CU2); \
- cop2_restore(current); \
- write_c0_status(__c0_stat & ~ST0_CU2); \
+ if (cop2_present) { \
+ set_c0_status(ST0_CU2); \
+ if ((KSTK_STATUS(prev) & ST0_CU2)) { \
+ if (cop2_lazy_restore) \
+ KSTK_STATUS(prev) &= ~ST0_CU2; \
+ cop2_save(prev); \
+ } \
+ if (KSTK_STATUS(next) & ST0_CU2 && \
+ !cop2_lazy_restore) { \
+ cop2_restore(next); \
+ } \
+ clear_c0_status(ST0_CU2); \
} \
- if (cpu_has_dsp) \
- __restore_dsp(current); \
+ __clear_software_ll_bit(); \
if (cpu_has_userlocal) \
- write_c0_userlocal(current_thread_info()->tp_value); \
+ write_c0_userlocal(task_thread_info(next)->tp_value); \
__restore_watch(); \
- disable_msa(); \
+ (last) = resume(prev, next, task_thread_info(next)); \
} while (0)
#endif /* _ASM_SWITCH_TO_H */
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index 9c0014e87..e309d8fcb 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -99,6 +99,7 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_SYSCALL_AUDIT 3 /* syscall auditing active */
#define TIF_SECCOMP 4 /* secure computing */
#define TIF_NOTIFY_RESUME 5 /* callback before returning to user */
+#define TIF_UPROBE 6 /* breakpointed or singlestepping */
#define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */
#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
#define TIF_MEMDIE 18 /* is terminating due to OOM killer */
@@ -122,6 +123,7 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
+#define _TIF_UPROBE (1<<TIF_UPROBE)
#define _TIF_USEDFPU (1<<TIF_USEDFPU)
#define _TIF_NOHZ (1<<TIF_NOHZ)
#define _TIF_FIXADE (1<<TIF_FIXADE)
@@ -146,7 +148,8 @@ static inline struct thread_info *current_thread_info(void)
/* work to do on interrupt/exception return */
#define _TIF_WORK_MASK \
- (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_NOTIFY_RESUME)
+ (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_NOTIFY_RESUME | \
+ _TIF_UPROBE)
/* work to do on any return to u-space */
#define _TIF_ALLWORK_MASK (_TIF_NOHZ | _TIF_WORK_MASK | \
_TIF_WORK_SYSCALL_EXIT | \
diff --git a/arch/mips/include/asm/time.h b/arch/mips/include/asm/time.h
index 8ab287422..17d4cd20f 100644
--- a/arch/mips/include/asm/time.h
+++ b/arch/mips/include/asm/time.h
@@ -51,7 +51,7 @@ extern int __weak get_c0_perfcount_int(void);
/*
* Initialize the calling CPU's compare interrupt as clockevent device
*/
-extern unsigned int __weak get_c0_compare_int(void);
+extern unsigned int get_c0_compare_int(void);
extern int r4k_clockevent_init(void);
static inline int mips_clockevent_init(void)
diff --git a/arch/mips/include/asm/tlbdebug.h b/arch/mips/include/asm/tlbdebug.h
index bb8f5c29c..3a25a8780 100644
--- a/arch/mips/include/asm/tlbdebug.h
+++ b/arch/mips/include/asm/tlbdebug.h
@@ -11,6 +11,7 @@
/*
* TLB debugging functions:
*/
+extern void dump_tlb_regs(void);
extern void dump_tlb_all(void);
#endif /* __ASM_TLBDEBUG_H */
diff --git a/arch/mips/include/asm/uprobes.h b/arch/mips/include/asm/uprobes.h
new file mode 100644
index 000000000..34c325c67
--- /dev/null
+++ b/arch/mips/include/asm/uprobes.h
@@ -0,0 +1,58 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __ASM_UPROBES_H
+#define __ASM_UPROBES_H
+
+#include <linux/notifier.h>
+#include <linux/types.h>
+
+#include <asm/break.h>
+#include <asm/inst.h>
+
+/*
+ * We want this to be defined as union mips_instruction but that makes the
+ * generic code blow up.
+ */
+typedef u32 uprobe_opcode_t;
+
+/*
+ * Classic MIPS (note this implementation doesn't consider microMIPS yet)
+ * instructions are always 4 bytes but in order to deal with branches and
+ * their delay slots, we treat instructions as having 8 bytes maximum.
+ */
+#define MAX_UINSN_BYTES 8
+#define UPROBE_XOL_SLOT_BYTES 128 /* Max. cache line size */
+
+#define UPROBE_BRK_UPROBE 0x000d000d /* break 13 */
+#define UPROBE_BRK_UPROBE_XOL 0x000e000d /* break 14 */
+
+#define UPROBE_SWBP_INSN UPROBE_BRK_UPROBE
+#define UPROBE_SWBP_INSN_SIZE 4
+
+struct arch_uprobe {
+ unsigned long resume_epc;
+ u32 insn[2];
+ u32 ixol[2];
+ union mips_instruction orig_inst[MAX_UINSN_BYTES / 4];
+};
+
+struct arch_uprobe_task {
+ unsigned long saved_trap_nr;
+};
+
+extern int arch_uprobe_analyze_insn(struct arch_uprobe *aup,
+ struct mm_struct *mm, unsigned long addr);
+extern int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs);
+extern int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs);
+extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
+extern int arch_uprobe_exception_notify(struct notifier_block *self,
+ unsigned long val, void *data);
+extern void arch_uprobe_abort_xol(struct arch_uprobe *aup,
+ struct pt_regs *regs);
+extern unsigned long arch_uretprobe_hijack_return_addr(
+ unsigned long trampoline_vaddr, struct pt_regs *regs);
+
+#endif /* __ASM_UPROBES_H */
diff --git a/arch/mips/include/asm/vpe.h b/arch/mips/include/asm/vpe.h
index 7849f3978..80e70dbd1 100644
--- a/arch/mips/include/asm/vpe.h
+++ b/arch/mips/include/asm/vpe.h
@@ -122,7 +122,7 @@ void release_vpe(struct vpe *v);
void *alloc_progmem(unsigned long len);
void release_progmem(void *ptr);
-int __weak vpe_run(struct vpe *v);
+int vpe_run(struct vpe *v);
void cleanup_tc(struct tc *tc);
int __init vpe_module_init(void);
diff --git a/arch/mips/include/uapi/asm/break.h b/arch/mips/include/uapi/asm/break.h
index 002c39ea2..9c4265cbf 100644
--- a/arch/mips/include/uapi/asm/break.h
+++ b/arch/mips/include/uapi/asm/break.h
@@ -21,6 +21,8 @@
#define BRK_DIVZERO 7 /* Divide by zero check */
#define BRK_RANGE 8 /* Range error check */
#define BRK_BUG 12 /* Used by BUG() */
+#define BRK_UPROBE 13 /* See <asm/uprobes.h> */
+#define BRK_UPROBE_XOL 14 /* See <asm/uprobes.h> */
#define BRK_MEMU 514 /* Used by FPU emulator */
#define BRK_KPROBE_BP 515 /* Kprobe break */
#define BRK_KPROBE_SSTEPBP 516 /* Kprobe single step software implementation */
diff --git a/arch/mips/include/uapi/asm/hwcap.h b/arch/mips/include/uapi/asm/hwcap.h
new file mode 100644
index 000000000..c7484a7ca
--- /dev/null
+++ b/arch/mips/include/uapi/asm/hwcap.h
@@ -0,0 +1,8 @@
+#ifndef _UAPI_ASM_HWCAP_H
+#define _UAPI_ASM_HWCAP_H
+
+/* HWCAP flags */
+#define HWCAP_MIPS_R6 (1 << 0)
+#define HWCAP_MIPS_MSA (1 << 1)
+
+#endif /* _UAPI_ASM_HWCAP_H */
diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h
index fc0cf5ac0..9b44d5a81 100644
--- a/arch/mips/include/uapi/asm/inst.h
+++ b/arch/mips/include/uapi/asm/inst.h
@@ -26,7 +26,7 @@ enum major_op {
cop0_op, cop1_op, cop2_op, cop1x_op,
beql_op, bnel_op, blezl_op, bgtzl_op,
daddi_op, cbcond1_op = daddi_op, daddiu_op, ldl_op, ldr_op,
- spec2_op, jalx_op, mdmx_op, spec3_op,
+ spec2_op, jalx_op, mdmx_op, msa_op = mdmx_op, spec3_op,
lb_op, lh_op, lwl_op, lw_op,
lbu_op, lhu_op, lwr_op, lwu_op,
sb_op, sh_op, swl_op, sw_op,
@@ -167,8 +167,13 @@ enum cop1_sdw_func {
fround_op = 0x0c, ftrunc_op = 0x0d,
fceil_op = 0x0e, ffloor_op = 0x0f,
fmovc_op = 0x11, fmovz_op = 0x12,
- fmovn_op = 0x13, frecip_op = 0x15,
- frsqrt_op = 0x16, fcvts_op = 0x20,
+ fmovn_op = 0x13, fseleqz_op = 0x14,
+ frecip_op = 0x15, frsqrt_op = 0x16,
+ fselnez_op = 0x17, fmaddf_op = 0x18,
+ fmsubf_op = 0x19, frint_op = 0x1a,
+ fclass_op = 0x1b, fmin_op = 0x1c,
+ fmina_op = 0x1d, fmax_op = 0x1e,
+ fmaxa_op = 0x1f, fcvts_op = 0x20,
fcvtd_op = 0x21, fcvte_op = 0x22,
fcvtw_op = 0x24, fcvtl_op = 0x25,
fcmp_op = 0x30
@@ -221,6 +226,24 @@ enum bshfl_func {
};
/*
+ * func field for MSA MI10 format.
+ */
+enum msa_mi10_func {
+ msa_ld_op = 8,
+ msa_st_op = 9,
+};
+
+/*
+ * MSA 2 bit format fields.
+ */
+enum msa_2b_fmt {
+ msa_fmt_b = 0,
+ msa_fmt_h = 1,
+ msa_fmt_w = 2,
+ msa_fmt_d = 3,
+};
+
+/*
* (microMIPS) Major opcodes.
*/
enum mm_major_op {
@@ -611,6 +634,16 @@ struct v_format { /* MDMX vector format */
;)))))))
};
+struct msa_mi10_format { /* MSA MI10 */
+ __BITFIELD_FIELD(unsigned int opcode : 6,
+ __BITFIELD_FIELD(signed int s10 : 10,
+ __BITFIELD_FIELD(unsigned int rs : 5,
+ __BITFIELD_FIELD(unsigned int wd : 5,
+ __BITFIELD_FIELD(unsigned int func : 4,
+ __BITFIELD_FIELD(unsigned int df : 2,
+ ;))))))
+};
+
struct spec3_format { /* SPEC3 */
__BITFIELD_FIELD(unsigned int opcode:6,
__BITFIELD_FIELD(unsigned int rs:5,
@@ -888,6 +921,7 @@ union mips_instruction {
struct p_format p_format;
struct f_format f_format;
struct ma_format ma_format;
+ struct msa_mi10_format msa_mi10_format;
struct b_format b_format;
struct ps_format ps_format;
struct v_format v_format;
diff --git a/arch/mips/include/uapi/asm/sigcontext.h b/arch/mips/include/uapi/asm/sigcontext.h
index 9081d88ae..5cbd9ae64 100644
--- a/arch/mips/include/uapi/asm/sigcontext.h
+++ b/arch/mips/include/uapi/asm/sigcontext.h
@@ -12,6 +12,18 @@
#include <linux/types.h>
#include <asm/sgidefs.h>
+/* scalar FP context was used */
+#define USED_FP (1 << 0)
+
+/* the value of Status.FR when context was saved */
+#define USED_FR1 (1 << 1)
+
+/* FR=1, but with odd singles in bits 63:32 of preceding even double */
+#define USED_HYBRID_FPRS (1 << 2)
+
+/* extended context was used, see struct extcontext for details */
+#define USED_EXTCONTEXT (1 << 3)
+
#if _MIPS_SIM == _MIPS_SIM_ABI32
/*
diff --git a/arch/mips/include/uapi/asm/swab.h b/arch/mips/include/uapi/asm/swab.h
index 8f2d184db..23cd9b118 100644
--- a/arch/mips/include/uapi/asm/swab.h
+++ b/arch/mips/include/uapi/asm/swab.h
@@ -13,8 +13,9 @@
#define __SWAB_64_THRU_32__
-#if (defined(__mips_isa_rev) && (__mips_isa_rev >= 2)) || \
- defined(_MIPS_ARCH_LOONGSON3A)
+#if !defined(__mips16) && \
+ ((defined(__mips_isa_rev) && (__mips_isa_rev >= 2)) || \
+ defined(_MIPS_ARCH_LOONGSON3A))
static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
@@ -65,5 +66,5 @@ static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
}
#define __arch_swab64 __arch_swab64
#endif /* __mips64 */
-#endif /* MIPS R2 or newer or Loongson 3A */
+#endif /* (not __mips16) and (MIPS R2 or newer or Loongson 3A) */
#endif /* _ASM_SWAB_H */
diff --git a/arch/mips/include/uapi/asm/ucontext.h b/arch/mips/include/uapi/asm/ucontext.h
new file mode 100644
index 000000000..2320144ce
--- /dev/null
+++ b/arch/mips/include/uapi/asm/ucontext.h
@@ -0,0 +1,65 @@
+#ifndef __MIPS_UAPI_ASM_UCONTEXT_H
+#define __MIPS_UAPI_ASM_UCONTEXT_H
+
+/**
+ * struct extcontext - extended context header structure
+ * @magic: magic value identifying the type of extended context
+ * @size: the size in bytes of the enclosing structure
+ *
+ * Extended context structures provide context which does not fit within struct
+ * sigcontext. They are placed sequentially in memory at the end of struct
+ * ucontext and struct sigframe, with each extended context structure beginning
+ * with a header defined by this struct. The type of context represented is
+ * indicated by the magic field. Userland may check each extended context
+ * structure against magic values that it recognises. The size field allows any
+ * unrecognised context to be skipped, allowing for future expansion. The end
+ * of the extended context data is indicated by the magic value
+ * END_EXTCONTEXT_MAGIC.
+ */
+struct extcontext {
+ unsigned int magic;
+ unsigned int size;
+};
+
+/**
+ * struct msa_extcontext - MSA extended context structure
+ * @ext: the extended context header, with magic == MSA_EXTCONTEXT_MAGIC
+ * @wr: the most significant 64 bits of each MSA vector register
+ * @csr: the value of the MSA control & status register
+ *
+ * If MSA context is live for a task at the time a signal is delivered to it,
+ * this structure will hold the MSA context of the task as it was prior to the
+ * signal delivery.
+ */
+struct msa_extcontext {
+ struct extcontext ext;
+#define MSA_EXTCONTEXT_MAGIC 0x784d5341 /* xMSA */
+
+ unsigned long long wr[32];
+ unsigned int csr;
+};
+
+#define END_EXTCONTEXT_MAGIC 0x78454e44 /* xEND */
+
+/**
+ * struct ucontext - user context structure
+ * @uc_flags:
+ * @uc_link:
+ * @uc_stack:
+ * @uc_mcontext: holds basic processor state
+ * @uc_sigmask:
+ * @uc_extcontext: holds extended processor state
+ */
+struct ucontext {
+ /* Historic fields matching asm-generic */
+ unsigned long uc_flags;
+ struct ucontext *uc_link;
+ stack_t uc_stack;
+ struct sigcontext uc_mcontext;
+ sigset_t uc_sigmask;
+
+ /* Extended context structures may follow ucontext */
+ unsigned long long uc_extcontext[0];
+};
+
+#endif /* __MIPS_UAPI_ASM_UCONTEXT_H */
diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h
index c03088f9f..cfabadb13 100644
--- a/arch/mips/include/uapi/asm/unistd.h
+++ b/arch/mips/include/uapi/asm/unistd.h
@@ -377,16 +377,18 @@
#define __NR_memfd_create (__NR_Linux + 354)
#define __NR_bpf (__NR_Linux + 355)
#define __NR_execveat (__NR_Linux + 356)
+#define __NR_userfaultfd (__NR_Linux + 357)
+#define __NR_membarrier (__NR_Linux + 358)
/*
* Offset of the last Linux o32 flavoured syscall
*/
-#define __NR_Linux_syscalls 356
+#define __NR_Linux_syscalls 358
#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
#define __NR_O32_Linux 4000
-#define __NR_O32_Linux_syscalls 356
+#define __NR_O32_Linux_syscalls 358
#if _MIPS_SIM == _MIPS_SIM_ABI64
@@ -711,16 +713,18 @@
#define __NR_memfd_create (__NR_Linux + 314)
#define __NR_bpf (__NR_Linux + 315)
#define __NR_execveat (__NR_Linux + 316)
+#define __NR_userfaultfd (__NR_Linux + 317)
+#define __NR_membarrier (__NR_Linux + 318)
/*
* Offset of the last Linux 64-bit flavoured syscall
*/
-#define __NR_Linux_syscalls 316
+#define __NR_Linux_syscalls 318
#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
#define __NR_64_Linux 5000
-#define __NR_64_Linux_syscalls 316
+#define __NR_64_Linux_syscalls 318
#if _MIPS_SIM == _MIPS_SIM_NABI32
@@ -1049,15 +1053,17 @@
#define __NR_memfd_create (__NR_Linux + 318)
#define __NR_bpf (__NR_Linux + 319)
#define __NR_execveat (__NR_Linux + 320)
+#define __NR_userfaultfd (__NR_Linux + 321)
+#define __NR_membarrier (__NR_Linux + 322)
/*
* Offset of the last N32 flavoured syscall
*/
-#define __NR_Linux_syscalls 320
+#define __NR_Linux_syscalls 322
#endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
#define __NR_N32_Linux 6000
-#define __NR_N32_Linux_syscalls 320
+#define __NR_N32_Linux_syscalls 322
#endif /* _UAPI_ASM_UNISTD_H */