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| author | Paolo Bonzini <pbonzini@redhat.com> | 2015-05-20 17:09:34 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-05-21 11:44:57 +0200 |
| commit | eaae11e17f022188755c67e4dd3436875e84110d (patch) | |
| tree | 35625017b95776f3eb2470705cb3af2b44687548 /include/bios.h | |
| parent | edba90fb16ec7224da591ab8f83efe3673853a3f (diff) | |
| download | qboot-eaae11e17f022188755c67e4dd3436875e84110d.zip qboot-eaae11e17f022188755c67e4dd3436875e84110d.tar.gz qboot-eaae11e17f022188755c67e4dd3436875e84110d.tar.bz2 | |
make a bootable BIOS
includes source from kvm-unit-tests
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/bios.h')
| -rw-r--r-- | include/bios.h | 36 |
1 files changed, 8 insertions, 28 deletions
diff --git a/include/bios.h b/include/bios.h index 153c887..22a912a 100644 --- a/include/bios.h +++ b/include/bios.h @@ -4,32 +4,6 @@ #include <inttypes.h> /* - * X86-32 Memory Map (typical) - * start end - * Real Mode Interrupt Vector Table 0x00000000 0x000003FF - * BDA area 0x00000400 0x000004FF - * Conventional Low Memory 0x00000500 0x0009FBFF - * EBDA area 0x0009FC00 0x0009FFFF - * VIDEO RAM 0x000A0000 0x000BFFFF - * VIDEO ROM (BIOS) 0x000C0000 0x000C7FFF - * ROMs & unus. space (mapped hw & misc)0x000C8000 0x000EFFFF 160 KiB (typically) - * Motherboard BIOS 0x000F0000 0x000FFFFF - * Extended Memory 0x00100000 0xFEBFFFFF - * Reserved (configs, ACPI, PnP, etc) 0xFEC00000 0xFFFFFFFF - */ - -#define REAL_MODE_IVT_BEGIN 0x00000000 -#define REAL_MODE_IVT_END 0x000003ff - -#define BDA_START 0x00000400 -#define BDA_END 0x000004ff - -#define EBDA_START 0x0009fc00 -#define EBDA_END 0x0009ffff - -#define E820_MAP_START EBDA_START - -/* * When interfacing with assembler code we need to be sure how * arguments are passed in real mode. */ @@ -37,8 +11,6 @@ #ifndef __ASSEMBLER__ -#include <linux/types.h> - struct biosregs { uint32_t eax; uint32_t ebx; @@ -59,6 +31,14 @@ extern bioscall void int10_handler(struct biosregs *regs); extern bioscall void int15_handler(struct biosregs *regs); extern bioscall void e820_query_map(struct biosregs *regs); +extern struct e820map e820; + +static inline void __attribute__((noreturn)) panic(void) +{ + asm volatile("cli; hlt"); + for(;;); +} + #endif #endif /* BIOS_H_ */ |