wok rev 19399
memtest: DOS shutdown
| author | Pascal Bellard <pascal.bellard@slitaz.org> |
|---|---|
| date | Sat Sep 03 09:48:39 2016 +0200 (2016-09-03) |
| parents | 80800de950ff |
| children | 03eb90ac5d1f |
| files | memtest/stuff/bootloader.S memtest/stuff/pack memtest/stuff/unpack.S |
line diff
1.1 --- a/memtest/stuff/bootloader.S Fri Sep 02 16:17:00 2016 +0200 1.2 +++ b/memtest/stuff/bootloader.S Sat Sep 03 09:48:39 2016 +0200 1.3 @@ -8,20 +8,21 @@ 1.4 .globl _start 1.5 _start: 1.6 1.7 -#define CODESZ 512 1.8 +#define CODESZ 512 /* patched by installer */ 1.9 1.10 /* some extra features */ 1.11 #define EXE_SUPPORT real mode dos .exe file support 1.12 #define CMDLINE 0x9E00 1.13 #define HELP store help message for /? argument 1.14 #define CHECK_REALMODE does not support vm86 1.15 +#define SHUTDOWNDOS shutdown DOS services 1.16 1.17 /* some contraints to reduce the size */ 1.18 //#define FLOPPY_1440K_ONLY 1.44M floppies support only 1.19 #define NO_CURSOR_DEFINITION 1.20 1.21 #ifdef EXE_SUPPORT 1.22 -#define EXEADRS(x) x+0xE0 1.23 +#define EXEADRS(x) (x+0xE0) 1.24 stacktop = 0x9E00 # in 0x8000 .. 0xA000 1.25 decw %bp // Magic number: MZ 1.26 popw %dx 1.27 @@ -105,7 +106,24 @@ 1.28 movw $end_header, %di 1.29 rep 1.30 movsw 1.31 +#ifndef SHUTDOWNDOS 1.32 ljmp $INITSEG, $movesys 1.33 +#else 1.34 + pushaw 1.35 + pushw %es 1.36 + xorw %si, %si 1.37 + movw %si, %ds # %ds = 0 1.38 + pushl 4(%si) 1.39 + movw %sp, %es:loadsp19+1(%si) 1.40 + movw $step19, 4(%si) 1.41 + movw %es, 6(%si) 1.42 + pushfw 1.43 + popw %ax 1.44 + incb %ah # set TF 1.45 + pushw %ax 1.46 + popfw 1.47 + ljmp *4*0x19(%si) 1.48 +#endif 1.49 start: 1.50 pushw %dx 1.51 #else 1.52 @@ -207,6 +225,27 @@ 1.53 int $0x20 // dos exit 1.54 #endif 1.55 #ifdef EXE_SUPPORT 1.56 +#ifdef SHUTDOWNDOS 1.57 +doiret: 1.58 + iret 1.59 +step19: 1.60 + pushw %si 1.61 + pushw %ds 1.62 + movw %sp, %si 1.63 + ldsw %ss:4(%si), %si 1.64 + cmpw $0x19CD, (%si) 1.65 + popw %ds 1.66 + popw %si 1.67 + jne doiret 1.68 + xorw %si, %si 1.69 + mov %si, %ds 1.70 + popl 4*0x19(%si) 1.71 +loadsp19: 1.72 + movw $0, %sp 1.73 + popl 4(%si) 1.74 + popw %es 1.75 + popaw 1.76 +#endif 1.77 movesys: // %ax = SYSSEG 1.78 pushw %es 1.79 popw %ss
2.1 --- a/memtest/stuff/pack Fri Sep 02 16:17:00 2016 +0200 2.2 +++ b/memtest/stuff/pack Sat Sep 03 09:48:39 2016 +0200 2.3 @@ -55,8 +55,7 @@ 2.4 } 2.5 2.6 HELP="$(unix2dos <<EOT 2.7 -Memtest86+ VERSION is an endless advanced memory diagnostic tool released under 2.8 -the terms of the free Gnu Public License (GPL). 2.9 +Memtest86+ VERSION is an endless advanced memory diagnostic tool (GPL). 2.10 2.11 EOT 2.12 )"
3.1 --- a/memtest/stuff/unpack.S Fri Sep 02 16:17:00 2016 +0200 3.2 +++ b/memtest/stuff/unpack.S Sat Sep 03 09:48:39 2016 +0200 3.3 @@ -10,7 +10,6 @@ 3.4 #define HARDCODED_SYSSIZE 1 3.5 #define HARDCODED_SETUPSIZE 1 3.6 #define HARDCODED_IP 1 3.7 -#define SHUTDOWNDOS 0 3.8 #define FLAT16 1 3.9 //#define FLAT16OUT 0 3.10 3.11 @@ -45,40 +44,6 @@ 3.12 getip: 3.13 #endif 3.14 pushal 3.15 -#if SHUTDOWNDOS 3.16 - xorw %si, %si 3.17 - movw %si, %ds # %ds = 0 3.18 - pushl 4(%si) 3.19 - movw %sp, %cs:loadsp19+1(%si) 3.20 - cmpb $0xF0, 7(%si) 3.21 - jnb notdos 3.22 - movw $step19, 4(%si) 3.23 - movw %cs, 6(%si) 3.24 - pushfw 3.25 - popw %ax 3.26 - incb %ah # set TF 3.27 - pushw %ax 3.28 - popfw 3.29 - ljmp *4*0x19(%si) 3.30 -step19: 3.31 - pushw %si 3.32 - pushw %ds 3.33 - movw %sp, %si 3.34 - ldsw %ss:4(%si), %si 3.35 - cmpw $0x19CD, (%si) 3.36 - popw %ds 3.37 - popw %si 3.38 - jne doiret 3.39 - xorw %si, %si 3.40 - mov %si, %ds 3.41 - popl 4*0x19(%si) 3.42 -notdos: 3.43 -loadsp19: 3.44 - movw $0, %sp 3.45 - popl 4(%si) 3.46 - pushw %ss 3.47 - popw %ds 3.48 -#endif 3.49 #if !FLAT16 3.50 #undef FLAT16 3.51 #if HARDCODED_SYSSIZE