wok-current rev 23999
syslinux/iso2exe: read isolinux.cfg
author | Pascal Bellard <pascal.bellard@slitaz.org> |
---|---|
date | Tue Jan 12 07:47:12 2021 +0000 (2021-01-12) |
parents | 42a48dc164f3 |
children | 1bb3a050ea16 |
files | linld/stuff/src/!COMPILE.BAT linld/stuff/src/COMMON.H linld/stuff/src/CRTL.ASM linld/stuff/src/ISO9660.CPP linld/stuff/src/LINLD.CPP linld/stuff/src/MEMCPY32.ASM linld/stuff/src/VCPI.ASM linld/stuff/src/XMM.ASM linld/stuff/src/_BEG.ASM linld/stuff/src/pipehole.awk syslinux/stuff/iso2exe/bootiso.S syslinux/stuff/iso2exe/iso2exe.sh |
line diff
1.1 --- a/linld/stuff/src/!COMPILE.BAT Fri Jan 08 21:11:45 2021 +0000 1.2 +++ b/linld/stuff/src/!COMPILE.BAT Tue Jan 12 07:47:12 2021 +0000 1.3 @@ -3,7 +3,7 @@ 1.4 tasm /h > helptasm.log 1.5 bcc > helpbcc.log 1.6 tlink > helptlink.log 1.7 -bcc @bccopt.opt -S -mt -DISOHOOK -DMOVE_SETUP -DUSE_ARGSTR -DLARGE_IMAGES *.cpp > cpp.log 1.8 +bcc @bccopt.opt -S -mt -DISOHOOK -DMOVE_SETUP -DLARGE_IMAGES *.cpp > cpp.log 1.9 ren LINLD.ASM LINLD.ASO 1.10 ren LOAD.ASM LOAD.ASO 1.11 ren HIMEM.ASM HIMEM.ASO 1.12 @@ -12,5 +12,5 @@ 1.13 mawk -f pipehole.awk LOAD.ASO > LOAD.ASM 1.14 mawk -f pipehole.awk HIMEM.ASO > HIMEM.ASM 1.15 mawk -f pipehole.awk ISO9660.ASO > ISO9660.ASM 1.16 -tasm /la /m /dISOHOOK /dBIG_CMDLINE /dMOVE_SETUP /dUSE_ARGSTR /dNO386 /dLARGE_IMAGES /dLONG_FILENAME *.asm > asm.log 1.17 +tasm /la /m /dISOHOOK /dBIG_CMDLINE /dMOVE_SETUP /dNO386 /dLARGE_IMAGES /dLONG_FILENAME *.asm > asm.log 1.18 tlink /m /s /t @link.cmd > lnk.log
2.1 --- a/linld/stuff/src/COMMON.H Fri Jan 08 21:11:45 2021 +0000 2.2 +++ b/linld/stuff/src/COMMON.H Tue Jan 12 07:47:12 2021 +0000 2.3 @@ -65,7 +65,8 @@ 2.4 #define vid_mode (cmdnum[1]) // -3 = ask, -2 = Extended VGA, -1 = Normal VGA, n = as "n" was pressed 2.5 #define topmem (cmdnum[2]) 2.6 #define base_himem (cmdnum[3]) 2.7 -extern u32 cmdnum[4]; 2.8 +#define skip_alloc (* (char *) &cmdnum[4]) 2.9 +extern u32 cmdnum[5]; 2.10 2.11 extern _fastcall void memcpy_image(struct image_himem *m); 2.12 extern _fastcall void storepage(u32 *dst);
3.1 --- a/linld/stuff/src/CRTL.ASM Fri Jan 08 21:11:45 2021 +0000 3.2 +++ b/linld/stuff/src/CRTL.ASM Tue Jan 12 07:47:12 2021 +0000 3.3 @@ -292,6 +292,7 @@ 3.4 endp @isoreadsector$qpxul 3.5 3.6 3.7 + ifdef ISOHOOK 3.8 ;*************************************************************** 3.9 ;_fastcall int strhead(bx:const char* a, ax:const char* b); 3.10 ;*************************************************************** 3.11 @@ -327,6 +328,28 @@ 3.12 3.13 endp @strcmp$qpxzct1 3.14 3.15 + else 3.16 + 3.17 +;*************************************************************** 3.18 +;_fastcall int strcmp(bx:const char* a, ax:const char* b); 3.19 +;*************************************************************** 3.20 + global @strcmp$qpxzct1:near 3.21 + proc @strcmp$qpxzct1 near 3.22 + 3.23 +@@loop: 3.24 + xchg ax,bx 3.25 + mov dl,[bx] ; dl = *b++ 3.26 + inc bx 3.27 + xchg ax,bx 3.28 + xor dl,[bx] ; dl ^= *a++ 3.29 + jne fail ; return -1 3.30 + inc bx 3.31 + or dl,dl ; clear C 3.32 + jz failifc ; return 0 3.33 + jmp @@loop 3.34 + 3.35 + endp @strcmp$qpxzct1 3.36 + endif 3.37 3.38 ;*************************************************************** 3.39 ;_fastcall const char **argstr(bx:const char *s, ax:const char keywords[], dx:const char **var); 3.40 @@ -356,7 +379,7 @@ 3.41 @@match: 3.42 inc bx ; keywords++ 3.43 lodsb ; *s++ 3.44 - or al,20h 3.45 + or al,20h ; locase 3.46 cmp al,[bx] 3.47 je @@match 3.48 cmp al,'/' ; 2f 3.49 @@ -377,6 +400,8 @@ 3.50 cmp [byte bx],dh 3.51 jne @@loop 3.52 @@testal: 3.53 + cmp al,'*' 3.54 + je @@setnum 3.55 cmp al,'=' 3.56 ;je @@found 3.57 ;cmp al,0 ; eos, si=next argv 3.58 @@ -387,6 +412,7 @@ 3.59 dec dx 3.60 je @@done 3.61 call @strtol$qpxzc 3.62 +@@setnum: 3.63 xchg ax,si 3.64 mov [di+2],dx 3.65 @@done:
4.1 --- a/linld/stuff/src/ISO9660.CPP Fri Jan 08 21:11:45 2021 +0000 4.2 +++ b/linld/stuff/src/ISO9660.CPP Tue Jan 12 07:47:12 2021 +0000 4.3 @@ -19,14 +19,15 @@ 4.4 4.5 struct isostate *x=&isostate; 4.6 4.7 - if (x->curpos >= SECTORSZ || * (short *) (x->buffer + x->curpos) == 0) { 4.8 + p = x->buffer; 4.9 + if (x->curpos >= SECTORSZ || * (short *) (p + x->curpos) == 0) { 4.10 if ((x->curdirsize =- DIRSECTORSZ) < 0) return -1; 4.11 isoreadsector(&x->curdirofs); // x->filepos = 0 4.12 //x->curdirofs += SECTORSZ; 4.13 *(int *)((char *) &x->curdirofs+1) += SECTORSZ/256; 4.14 x->curpos = 0; 4.15 } 4.16 - p = x->buffer; p += x->curpos; 4.17 + p += x->curpos; 4.18 x->fileofs = (* (unsigned long *) (p + 2)) << SECTORBITS; 4.19 if ((x->entrysize = * (short *) p) == 0) { 4.20 return -1; 4.21 @@ -66,8 +67,10 @@ 4.22 #define _64bits (x->_64bits) 4.23 char *s; 4.24 4.25 +#ifdef ISOHOOK 4.26 _64bits = cpuhaslm(); 4.27 _32bits: 4.28 +#endif 4.29 s = (char *) x->filename2open; 4.30 if (*s == '/') { 4.31 s++; 4.32 @@ -82,17 +85,21 @@ 4.33 c = *s; *s = 0; 4.34 do { 4.35 if (isoreaddir() == -1) { 4.36 +#ifdef ISOHOOK 4.37 if ((_64bits ^= CPUMASKLM) == 0) goto _32bits; 4.38 +#endif 4.39 return -1; 4.40 } 4.41 const char *n = name; 4.42 #define i (x->tmp) 4.43 i = x->filename; 4.44 +#ifdef ISOHOOK 4.45 if (_64bits) { 4.46 if (strhead(i, n) == -1) continue; 4.47 n = "64"; 4.48 i += s - name; // strlen(name); 4.49 } 4.50 +#endif 4.51 if (strcmp(i, n) != -1) break; 4.52 } while (1); 4.53 *s++ = c;
5.1 --- a/linld/stuff/src/LINLD.CPP Fri Jan 08 21:11:45 2021 +0000 5.2 +++ b/linld/stuff/src/LINLD.CPP Tue Jan 12 07:47:12 2021 +0000 5.3 @@ -8,7 +8,7 @@ 5.4 5.5 extern char bzimagestr[]; 5.6 const char* cmdstr[4] = {"auto",bzimagestr,NULL,NULL}; 5.7 -u32 cmdnum[4]; 5.8 +u32 cmdnum[5]; 5.9 5.10 inline void syntax() { 5.11 die("Syntax:" NL 5.12 @@ -51,7 +51,7 @@ 5.13 exit(); 5.14 } 5.15 if (argstr(*argv,"cl|image|initrd|iso",clp) == (int) clp) continue; 5.16 - if (argnum(*argv,"root|vga|mem|-b",&root_dev) == (int) &base_himem) continue; 5.17 + if (argnum(*argv,"root|vga|mem|-b|-f*",&root_dev) >= (int) &base_himem) continue; 5.18 if (fileexist(*argv) != -1) { 5.19 kernel_name=*argv; 5.20 continue;
6.1 --- a/linld/stuff/src/MEMCPY32.ASM Fri Jan 08 21:11:45 2021 +0000 6.2 +++ b/linld/stuff/src/MEMCPY32.ASM Tue Jan 12 07:47:12 2021 +0000 6.3 @@ -108,8 +108,8 @@ 6.4 jnz @@2flat 6.5 pop dx ; dstseg 6.6 pop ax ; srcseg 6.7 - dec bx ; <1mb ? 6.8 - jns @@pmcopy 6.9 + cmp bx,si ; <1mb ? 6.10 + jne @@pmcopy 6.11 push di 6.12 @@movlp: 6.13 mov ds,ax 6.14 @@ -124,18 +124,16 @@ 6.15 inc cx 6.16 sub [word sz],cx 6.17 ;jae @@movpara 6.18 - sbb [word sz+2],0 6.19 + sbb [word sz+2],bx 6.20 jae @@movpara 6.21 add cx,[word sz] 6.22 ;stc 6.23 @@movpara: 6.24 rep movsb 6.25 jae @@movlp 6.26 - dec cx ; set S 6.27 pop di 6.28 + jmp @@done16 6.29 @@pmcopy: 6.30 - pop si 6.31 - js @@done16 6.32 p386 6.33 pushad ; struct declared in VCPI.ASM 6.34 mov esi,[srcofs] 6.35 @@ -193,6 +191,9 @@ 6.36 popad 6.37 p8086 6.38 @@done16: 6.39 + ifdef NO386 6.40 + pop si 6.41 + endif 6.42 pop es ds 6.43 popf ; restore I & D 6.44 ifndef NO386
7.1 --- a/linld/stuff/src/VCPI.ASM Fri Jan 08 21:11:45 2021 +0000 7.2 +++ b/linld/stuff/src/VCPI.ASM Tue Jan 12 07:47:12 2021 +0000 7.3 @@ -66,15 +66,15 @@ 7.4 use_32 = 01000000b 7.5 7.6 ;****** rm32,imm16 helper 7.7 -macro movzx_e rm,i 7.8 - db 66h 7.9 - mov rm,i 7.10 - dw 0 7.11 +macro movzx_e rm,i 7.12 + db 66h 7.13 + mov rm,i 7.14 + dw 0 7.15 endm 7.16 7.17 -macro pushd v 7.18 - db 66h 7.19 - push v 7.20 +macro pushd sreg 7.21 + db 66h 7.22 + push sreg 7.23 endm 7.24 7.25 group DGROUP _TEXT 7.26 @@ -259,49 +259,35 @@ 7.27 ;*************************************************************** 7.28 mov bp,sp ; ss:bp => struct pm_regs 7.29 7.30 - pushd gs ; IRET stack for return to vm 7.31 - pushd fs ; (9 dwords) 7.32 - pushd ds ; 7.33 - pushd es ; 7.34 - pushd ss ; 7.35 + mov bx,5 ; IRET stack for return to vm 7.36 +@@push_sreg: 7.37 + pushd ss ; fake pushd gs fs ds es ss 7.38 + dec bx 7.39 + jnz @@push_sreg ; (9 dwords) 7.40 push ebp ; esp 7.41 pushfd ; eflags: IF saved here 7.42 pushd cs ; 7.43 - push 0 ;\eip 7.44 - push offset @@vm_ret ;/ 7.45 - 7.46 - ;;mov [saved_xx],xx ;use if your vcpi trashes bp/etc 7.47 + push bx ;\eip 7.48 + push offset vcpi_ret ;/ 7.49 7.50 call switch_to_pm ; EAX, EDX/ESI, DS, ES, FS, GS destroyed 7.51 assume nothing 7.52 assume cs:DGROUP 7.53 7.54 ; Now we are in 16-bit protected mode 7.55 - ;push SEL_DATA 7.56 - ;pop ss 7.57 - mov ax,SEL_DATA 7.58 - mov ss,ax 7.59 - ;;mov ds,ax 7.60 - ;;mov es,ax 7.61 - ;;mov fs,ax 7.62 - ;;mov gs,ax 7.63 - 7.64 - ;;mov xx,[saved_xx] ;use if your vcpi trashes bp/etc 7.65 - lea sp,[bp-9*4] ;else we can do this trick with bp 7.66 + mov bl,SEL_DATA 7.67 + mov ss,bx 7.68 + lea sp,[bp-8-9*4] 7.69 7.70 ; Call the routine (bp points to params on stack if any) 7.71 - call do_memcpy_vcpi 7.72 + call do_memcpy_vcpi ; set ds=all_addrspace 7.73 7.74 ; Ok, let's return to vm 7.75 mov ax,0DE0Ch ; maybe we need whole eax? 7.76 cli ; to be safe 7.77 clts ; 7.78 - ;;push SEL_ABS ; vcpi wants ds=all_addrspace 7.79 - ;;pop ds ; (done by do_memcpy_vcpi) 7.80 - call [pword cs:vcpi_pm_entry] 7.81 -@@vm_ret: 7.82 -; Now we are in vm86 mode. Sregs, esp, eflags (IF) restored from IRET stack 7.83 - ret 7.84 +; Go to vm86 mode. Sregs, esp, eflags (IF) restored from IRET stack 7.85 + jmp [pword cs:vcpi_pm_entry] 7.86 7.87 ;*************************************************************** 7.88 7.89 @@ -310,8 +296,6 @@ 7.90 ;*************************************************************** 7.91 label do_memcpy_vcpi near 7.92 7.93 -; Note: ss:bp => params 7.94 -; Move data 7.95 push SEL_ABS 7.96 pop ds 7.97 push ds 7.98 @@ -325,30 +309,15 @@ 7.99 xchg eax,edi 7.100 mov al,03h ; writeable, present 7.101 call @@set_mapping 7.102 - ;push eax ;X we'll need to restore mapping... 7.103 xor edi,edi ;es:edi => remapped page 7.104 7.105 ; Set up source addr 7.106 mov esi,edx 7.107 7.108 ; Do copying 7.109 -; xor ecx,ecx 7.110 -; mov ch,4096/256 7.111 - ;cld 7.112 -;; cmp esi,edi 7.113 -;; jae @@do_copy 7.114 -;; add esi,ecx ;src<dst: we must do 7.115 -;; dec esi ; copy backwards to avoid 7.116 -;; add edi,ecx ; overwrite bug 7.117 -;; dec edi ; 7.118 -;; std ; 7.119 -;;@@do_copy: 7.120 db 67h ;address width override for esi/edi 7.121 rep movsb 7.122 -;; cld 7.123 7.124 - ; Restore page mapping for page at 0 7.125 - ;pop eax ;X 7.126 @@set_mapping: 7.127 mov esi,[cs:sw2pm_cr3] 7.128 xchg [esi-1000h],eax ; restore page0[0] 7.129 @@ -385,9 +354,9 @@ 7.130 mov bx,offset sssp 7.131 endif 7.132 p386 7.133 - pop ax 7.134 - push cs ;* 7.135 - push ax 7.136 + pop ax ; convert 7.137 + push cs ; near call 7.138 + push ax ; to far call 7.139 push ds 7.140 mov [bx],sp 7.141 ;mov [bx+2],ss 7.142 @@ -397,13 +366,6 @@ 7.143 assume cs:DGROUP 7.144 7.145 ; Now we are in 16-bit protected mode 7.146 - ;mov ax,SEL_DATA ; load data sregs with limit >=64k 7.147 - ;mov ss,ax ; or you may get limit violations 7.148 - ;mov ds,ax ; later in rm 7.149 - ;mov es,ax ; (actually I prefer 4gig limits :-) 7.150 - ;mov fs,ax ; 7.151 - ;mov gs,ax ; 7.152 - 7.153 ; Black magic here 7.154 mov eax,cr0 7.155 and eax,7ffffffeh ; clear PG,P bits
8.1 --- a/linld/stuff/src/XMM.ASM Fri Jan 08 21:11:45 2021 +0000 8.2 +++ b/linld/stuff/src/XMM.ASM Tue Jan 12 07:47:12 2021 +0000 8.3 @@ -75,6 +75,10 @@ 8.4 global @xmm_alloc$qp11image_himem:near 8.5 proc @xmm_alloc$qp11image_himem near 8.6 8.7 + extrn _cmdnum:dword 8.8 +skip_alloc = (byte _cmdnum+16) 8.9 + cmp [skip_alloc],0 8.10 + jne @@err 8.11 ifndef NO386 8.12 mov edx,[(image_himem si).size] ; m->size 8.13 ;dec edx 8.14 @@ -94,16 +98,14 @@ 8.15 mov ah,9h ;allocate blk of DX kilobytes (<64Mb) 8.16 endif 8.17 call xmm_driver ; 8.18 - jnz @@goerr 8.19 + jnz @@err 8.20 ;now: dx=handle of the blk 8.21 mov ah,0Ch ;lock blk 8.22 call xmm_driver ; 8.23 ;now: dx:bx=addr of blk 8.24 - xchg ax,bx 8.25 -@@goerr: 8.26 jnz @@err 8.27 - mov [word (image_himem bx).buf],ax ; lo m->buf 8.28 - mov [word (image_himem bx+2).buf],dx ; hi m->buf 8.29 + mov [word (image_himem si).buf],bx ; lo m->buf 8.30 + mov [word (image_himem si+2).buf],dx ; hi m->buf 8.31 @@err: 8.32 ret 8.33
9.1 --- a/linld/stuff/src/_BEG.ASM Fri Jan 08 21:11:45 2021 +0000 9.2 +++ b/linld/stuff/src/_BEG.ASM Tue Jan 12 07:47:12 2021 +0000 9.3 @@ -273,7 +273,6 @@ 9.4 ;*************************************************************** 9.5 9.6 9.7 - ifdef USE_ARGSTR 9.8 ;*************************************************************** 9.9 ;_fastcall void set_cmdline(bx:const char *filename); 9.10 ;*************************************************************** 9.11 @@ -287,7 +286,6 @@ 9.12 jmp read_cmdline ; read_cmdline(ax,di,cx) 9.13 9.14 endp @set_cmdline$qpxzc 9.15 - endif 9.16 9.17 ifdef NO386 9.18 ;***************************************************************
10.1 --- a/linld/stuff/src/pipehole.awk Fri Jan 08 21:11:45 2021 +0000 10.2 +++ b/linld/stuff/src/pipehole.awk Tue Jan 12 07:47:12 2021 +0000 10.3 @@ -159,7 +159,7 @@ 10.4 sub(/_imgs\+65534/,"_imgs-2") 10.5 if (/setup_sects == 0/) isload=9 10.6 if (isload == 9) { # LOAD.LST 10.7 - sub(/,0/,",al") 10.8 + sub(/,0/,",al ; worst case 2k boundary (iso)") 10.9 if (/jne/) isload=0 10.10 } 10.11 if (/cmd_line_ptr =/ && is386 == 0) isload=7 10.12 @@ -261,7 +261,7 @@ 10.13 sub(/mov al/,"movzx eax") 10.14 } 10.15 if (is386 == 0) { 10.16 - if (/m->size -= _rm_size/) print " cwd" 10.17 + if (/m->size -= _rm_size/) print " cwd ; do not trust rewind result (iso case)" 10.18 sub(/,0$/,",dx") 10.19 } 10.20 if (/ax,word ptr/) next 10.21 @@ -308,9 +308,8 @@ 10.22 if (/,bx/) next 10.23 if (/isoreadrootsector/) { 10.24 print 10.25 - print " cmp word ptr [si+39],17475" 10.26 - print " stc" 10.27 - $0=" jne returnC" 10.28 + print " xor word ptr [si+39],17475 ; clear C" 10.29 + $0=" jne returnNotC" 10.30 } 10.31 } 10.32 if (/cpytodirpage.x->dirpage/) isiso=16 10.33 @@ -436,7 +435,7 @@ 10.34 if (/@2@142$/) { print " inc di"; sub(/jmp/,"loop") } 10.35 } 10.36 if (/i\+36\]/) next 10.37 - sub(/DGROUP:_isostate\[bx/,"[bx+si") 10.38 + sub(/di,offset DGROUP:_isostate/,"di,si") 10.39 } # file == "iso9660.cpp" 10.40 if (wascall) { 10.41 if (rcall != "") {
11.1 --- a/syslinux/stuff/iso2exe/bootiso.S Fri Jan 08 21:11:45 2021 +0000 11.2 +++ b/syslinux/stuff/iso2exe/bootiso.S Tue Jan 12 07:47:12 2021 +0000 11.3 @@ -268,10 +268,10 @@ 11.4 rep 11.5 movsb 11.6 movw EXEADRS(headbuf+18),%ax // magic 11.7 - movw $10,%si 11.8 + movw $10,%bp 11.9 magiclp1: 11.10 xorw %dx,%dx 11.11 - divw %si 11.12 + divw %bp 11.13 pushw %dx 11.14 incw %cx 11.15 orw %ax,%ax 11.16 @@ -285,7 +285,7 @@ 11.17 // iso=<file> arg 11.18 11.19 movb $5,%cl 11.20 - movw $EXEADRS(isostr),%si 11.21 + //movw $EXEADRS(isostr),%si 11.22 rep 11.23 movsb 11.24 popw %si
12.1 --- a/syslinux/stuff/iso2exe/iso2exe.sh Fri Jan 08 21:11:45 2021 +0000 12.2 +++ b/syslinux/stuff/iso2exe/iso2exe.sh Tue Jan 12 07:47:12 2021 +0000 12.3 @@ -107,10 +107,11 @@ 12.4 i=$(($(get 20 $1)-0xC0)) 12.5 store $(($i-6)) $(($(stat -m /tmp/mnt$$/boot/linld.com | sed q)*2048)) $1 32 12.6 store $(($i-2)) $(stat -c %s /tmp/mnt$$/boot/linld.com) $1 12.7 - r0="$(cd /tmp/mnt$$/boot/ ; ls rootfs.gz 2> /dev/null)" 12.8 - r1="$(cd /tmp/mnt$$/boot/ ; ls -r rootfs?*.gz 2> /dev/null | sed q)" 12.9 - [ "$r0" -a "$r1" ] && r0="$r0," 12.10 - echo -n "image=/boot/bzImage initrd=$r0$r1,! autologin rdinit=/init.exe" | \ 12.11 + r="rootfs.gz" 12.12 + grep -qE 'rootfs[0-9]' /tmp/mnt$$/boot/isolinux/isolinux.cfg && 12.13 + r="$(sed '/rootfs[0-9]/!d;s|.* initrd=||;s|/boot/||g;s| .*||' \ 12.14 + /tmp/mnt$$/boot/isolinux/isolinux.cfg | tail -n1)" 12.15 + echo -n "image=/boot/bzImage initrd=$r,! autologin rdinit=/init.exe" | \ 12.16 ddn bs=1 of=$1 conv=notrunc seek=$(($i-134)) 12.17 fi 12.18 umount /tmp/mnt$$