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[comboot] Implement INT 22h AX=001Bh (Cleanup, shuffle, and boot to real mode)

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This commit is contained in:
Daniel Verkamp
2008-09-29 10:45:57 -05:00
committed by Michael Brown
parent 5026a35fef
commit dbbd81c140
2 changed files with 95 additions and 1 deletions
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34
src/arch/i386/include/comboot.h
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@@ -57,6 +57,40 @@ typedef struct {
com32_reg32_t eflags; /* Offset 40 */
} com32sys_t;
typedef struct {
uint32_t eax; /* Offset 0 */
uint32_t ecx; /* Offset 4 */
uint32_t edx; /* Offset 8 */
uint32_t ebx; /* Offset 12 */
uint32_t esp; /* Offset 16 */
uint32_t ebp; /* Offset 20 */
uint32_t esi; /* Offset 24 */
uint32_t edi; /* Offset 28 */
uint32_t eip; /* Offset 32 */
} syslinux_pm_regs;
typedef struct {
uint16_t es; /* Offset 0 */
uint16_t _unused_cs; /* Offset 2 */
uint16_t ds; /* Offset 4 */
uint16_t ss; /* Offset 6 */
uint16_t fs; /* Offset 8 */
uint16_t gs; /* Offset 10 */
uint32_t eax; /* Offset 12 */
uint32_t ecx; /* Offset 16 */
uint32_t edx; /* Offset 20 */
uint32_t ebx; /* Offset 24 */
uint32_t esp; /* Offset 28 */
uint32_t ebp; /* Offset 32 */
uint32_t esi; /* Offset 36 */
uint32_t edi; /* Offset 40 */
uint16_t ip; /* Offset 44 */
uint16_t cs; /* Offset 46 */
} syslinux_rm_regs;
typedef struct {
uint32_t dest;
uint32_t src;