kotovalexarian-likes-gitlab/bztsrc--bootboot
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Added failsafes for segments due to buggy BIOSes

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bzt 2022-07-11 20:30:20 +02:00
parent 87d3316b67
commit da7f75804e
4 changed files with 12 additions and 2 deletions
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BIN
dist/bootboot.bin vendored
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2
mkbootimg/data.c
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File diff suppressed because one or more lines are too long

2
mkbootimg/data.h
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@ -3,7 +3,7 @@
#define sizeof_boot_bin 512
extern unsigned char binary_boot_bin[512];
#define sizeof_bootboot_bin 13312
extern unsigned char binary_bootboot_bin[9291];
extern unsigned char binary_bootboot_bin[9299];
#define sizeof_bootboot_efi 103614
extern unsigned char binary_bootboot_efi[46348];
#define sizeof_bootboot_img 35344

10
x86_64-bios/bootboot.asm
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@ -873,6 +873,8 @@ prot_diefunc:
prot_realmode
USE16
real_diefunc:
xor ax, ax
mov ds, ax
push si
real_print loader.name
real_print panic
@ -2149,7 +2151,11 @@ end if
mov di, 0A000h
mov dword [di], 'VBE2'
;this call requires a big stack
push ds
push es
int 10h
pop es
pop ds
cmp ax, 004fh
je @f
.viderr: mov si, novbe
@ -2189,7 +2195,11 @@ end if
push cx
push si
push di
push ds
push es
int 10h
pop es
pop ds
pop di
pop si
pop cx