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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/x86/realmode/rm/header.S
Initial import
Diffstat (limited to 'arch/x86/realmode/rm/header.S')
-rw-r--r--arch/x86/realmode/rm/header.S43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/x86/realmode/rm/header.S b/arch/x86/realmode/rm/header.S
new file mode 100644
index 000000000..a28221d94
--- /dev/null
+++ b/arch/x86/realmode/rm/header.S
@@ -0,0 +1,43 @@
+/*
+ * Real-mode blob header; this should match realmode.h and be
+ * readonly; for mutable data instead add pointers into the .data
+ * or .bss sections as appropriate.
+ */
+
+#include <linux/linkage.h>
+#include <asm/page_types.h>
+#include <asm/segment.h>
+
+#include "realmode.h"
+
+ .section ".header", "a"
+
+ .balign 16
+GLOBAL(real_mode_header)
+ .long pa_text_start
+ .long pa_ro_end
+ /* SMP trampoline */
+ .long pa_trampoline_start
+ .long pa_trampoline_status
+ .long pa_trampoline_header
+#ifdef CONFIG_X86_64
+ .long pa_trampoline_pgd;
+#endif
+ /* ACPI S3 wakeup */
+#ifdef CONFIG_ACPI_SLEEP
+ .long pa_wakeup_start
+ .long pa_wakeup_header
+#endif
+ /* APM/BIOS reboot */
+ .long pa_machine_real_restart_asm
+#ifdef CONFIG_X86_64
+ .long __KERNEL32_CS
+#endif
+END(real_mode_header)
+
+ /* End signature, used to verify integrity */
+ .section ".signature","a"
+ .balign 4
+GLOBAL(end_signature)
+ .long REALMODE_END_SIGNATURE
+END(end_signature)