wok-current rev 19391

memtest: tiny shrink
author Pascal Bellard <pascal.bellard@slitaz.org>
date Sat Aug 27 12:07:37 2016 +0200 (2016-08-27)
parents 7c66c894e9ba
children 867f233184fc
files memtest/stuff/pack memtest/stuff/unlzma.S memtest/stuff/unpack.S
line diff
     1.1 --- a/memtest/stuff/pack	Wed Aug 24 18:11:12 2016 -0400
     1.2 +++ b/memtest/stuff/pack	Sat Aug 27 12:07:37 2016 +0200
     1.3 @@ -1,12 +1,12 @@
     1.4  #!/bin/sh
     1.5  if [ "$1" == "--build" ]; then
     1.6  	set -- ${2:-bootloader.bin} ${3:-unpack.bin}
     1.7 -	x=$(grep -s packed_syssize ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')
     1.8 -	[ -n "$x" ] && sed -i "s/XXXP/$((513+0x$x))/" $0 || sed -i s="/XXXP$/d" $0
     1.9 -	x=$(grep -s original_syssize ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')
    1.10 -	[ -n "$x" ] && sed -i "s/XXXO/$((513+0x$x))/" $0 || sed -i s="/XXXO$/d" $0
    1.11 -	x=$(grep -s original_setupsize ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')
    1.12 -	[ -n "$x" ] && sed -i "s/XXXS/$((516+0x$x))/" $0 || sed -i s="/XXXS$/d" $0
    1.13 +	x=$(grep -s packed_syssize$ ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')
    1.14 +	[ -n "$x" ] && sed -i "s/XXXP/$((513+0x$x))/" $0 || sed -i "/XXXP$/d" $0
    1.15 +	x=$(grep -s original_syssize$ ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')
    1.16 +	[ -n "$x" ] && sed -i "s/XXXO/$((513+0x$x))/" $0 || sed -i "/XXXO$/d" $0
    1.17 +	x=$(grep -s original_setupsize$ ${2/.bin/.lst}|sed '$!d;s/.*t:\([^ ]*\).*/\1/')
    1.18 +	[ -n "$x" ] && sed -i "s/XXXS/$((516+0x$x))/" $0 || sed -i "/XXXS$/d" $0
    1.19  	helpmsg=$(sed '/helpmsg:/!d{n;s/ [0-9]* \([^ ]*\).*/\1/}' ${1/.bin/.lst} | sed '$!d')
    1.20  	helpend=$(sed '/helpend:/!d{n;s/ [0-9]* \([^ ]*\).*/\1/}' ${1/.bin/.lst} | sed '$!d')
    1.21  	sed -i "s/YYY/$((0x$helpmsg))/" $0
     2.1 --- a/memtest/stuff/unlzma.S	Wed Aug 24 18:11:12 2016 -0400
     2.2 +++ b/memtest/stuff/unlzma.S	Sat Aug 27 12:07:37 2016 +0200
     2.3 @@ -115,7 +115,7 @@
     2.4  	pushl	$1
     2.5  	loop	initlocals
     2.6  
     2.7 -#ifndef FLAT32
     2.8 +#if !defined(FLAT32) && !defined(FLAT16OUT)
     2.9  	movb	$4, %cl
    2.10  	movw	%es, %bx
    2.11  	shrw	%cl, %bx
    2.12 @@ -127,7 +127,7 @@
    2.13  	incw	%cx
    2.14  #else
    2.15  	movb	$5, %cl
    2.16 -	movl	%edi, outStream(%ebp)
    2.17 +	mov	DI, outStream(BP)
    2.18  #endif
    2.19  
    2.20  //   Byte previousByte = 0;
    2.21 @@ -609,7 +609,7 @@
    2.22   */
    2.23   
    2.24  Dico2ESDI:
    2.25 -#ifndef FLAT32
    2.26 +#if !defined(FLAT32) && !defined(FLAT16OUT)
    2.27  	movl	nowPos(%bp), %ebx
    2.28  	jnc	Dico2ESDIz
    2.29  	subl	rep0(%bp), %ebx
    2.30 @@ -618,13 +618,16 @@
    2.31  	xorw	%bx, %bx
    2.32  	shrl	$4, %ebx
    2.33  	movw	%bx, %es
    2.34 +#else
    2.35 +	mov	nowPos(%bp), DI
    2.36 +	jnc	Dico2ESDIz
    2.37 +	sub	rep0(%bp), DI
    2.38 +Dico2ESDIz:
    2.39 +#endif
    2.40 +#ifdef FLAT32
    2.41 +	movb	(DI), %bl
    2.42 +#else
    2.43  	movb	%es:(%di), %bl
    2.44 -#else
    2.45 -	movl	nowPos(%bp), %edi
    2.46 -	jnc	Dico2ESDIz
    2.47 -	subl	rep0(%bp), %edi
    2.48 -Dico2ESDIz:
    2.49 -	movb	(%edi), %bl
    2.50  #endif
    2.51  	ret
    2.52  
    2.53 @@ -689,7 +692,7 @@
    2.54  	push	AX
    2.55  	shll	$8, Range(BP)
    2.56  	shll	$8, Code(BP)
    2.57 -#ifndef FLAT32
    2.58 +#if !defined(FLAT16) && !defined(FLAT32)
    2.59  	testw	%si, %si
    2.60  	jns	RC_READ_BYTE
    2.61  	movw	%ds, %ax
     3.1 --- a/memtest/stuff/unpack.S	Wed Aug 24 18:11:12 2016 -0400
     3.2 +++ b/memtest/stuff/unpack.S	Sat Aug 27 12:07:37 2016 +0200
     3.3 @@ -10,6 +10,9 @@
     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  	.text
    3.12  	.code16
    3.13 @@ -42,12 +45,49 @@
    3.14  getip:
    3.15  #endif
    3.16  	pushal
    3.17 +#if SHUTDOWNDOS
    3.18 +	xorw	%si, %si
    3.19 +        movw	%si, %ds		# %ds = 0
    3.20 +	pushl	4(%si)
    3.21 +	movw	%sp, %cs:loadsp19+1(%si)
    3.22 +	cmpb	$0xF0, 7(%si)
    3.23 +	jnb	notdos
    3.24 +        movw	$step19, 4(%si)
    3.25 +        movw	%cs, 6(%si)
    3.26 +        pushfw
    3.27 +        popw	%ax
    3.28 +        incb	%ah			# set TF
    3.29 +        pushw	%ax
    3.30 +        popfw
    3.31 +        ljmp	*4*0x19(%si)
    3.32 +step19:
    3.33 +        pushw	%si
    3.34 +        pushw	%ds
    3.35 +        movw	%sp, %si
    3.36 +        ldsw	%ss:4(%si), %si
    3.37 +        cmpw	$0x19CD, (%si)
    3.38 +        popw    %ds
    3.39 +        popw    %si
    3.40 +	jne	doiret
    3.41 +	xorw	%si, %si
    3.42 +	mov	%si, %ds
    3.43 +	popl	4*0x19(%si)
    3.44 +notdos:
    3.45 +loadsp19:
    3.46 +	movw	$0, %sp
    3.47 +	popl	4(%si)
    3.48 +	pushw	%ss
    3.49 +	popw	%ds
    3.50 +#endif
    3.51 +#if !FLAT16
    3.52 +#undef FLAT16
    3.53  #if HARDCODED_SYSSIZE
    3.54  packed_syssize:
    3.55  	movw	$0, %bx		// system size
    3.56  #else
    3.57  	movw	SYSSIZE, %bx
    3.58  #endif
    3.59 +#endif
    3.60  #if HARDCODED_SETUPSIZE == 0
    3.61  	xorw	%dx, %dx
    3.62  	movb	SETUPSIZE, %dh
    3.63 @@ -64,6 +104,39 @@
    3.64  	pushw	%es
    3.65  
    3.66  	cld
    3.67 +
    3.68 +#if FLAT16
    3.69 +flat16mv:
    3.70 +#if CHANGE_STACK
    3.71 +STKSZ=0x9000-0x0990
    3.72 +	pushw	$(TOP-STKSZ)/16-0x1000
    3.73 +#else
    3.74 +	pushw	$TOP/16-0x1000
    3.75 +#endif
    3.76 +	popw	%es
    3.77 +	pushw	%es			// moved
    3.78 +	.byte	0x6A, moved-_start	//   unpack code
    3.79 +	pushw	%cs
    3.80 +	popw	%ds	
    3.81 +	xorw	%di, %di
    3.82 +#if HARDCODED_SETUPSIZE
    3.83 +	movw	$SETUP*256, %cx
    3.84 +#else
    3.85 +	xorw	%cx, %cx
    3.86 +	movw	SETUPSIZE, %ch
    3.87 +#endif
    3.88 +	pushw	%si
    3.89 +	rep
    3.90 +	movsw			// move header part
    3.91 +	movw	$0x1000, %bp
    3.92 +	movw	%bp, %ds
    3.93 +	xorw	%si, %si
    3.94 +	subw	%di, %cx
    3.95 +	rep
    3.96 +	movsb			// move system part
    3.97 +	popw	%di
    3.98 +	movw	$end-_start, %si
    3.99 +#else	
   3.100  #if CHANGE_STACK
   3.101  STKSZ=0x9000-0x0990
   3.102  	movw	$(TOP-STKSZ)/16, %ax
   3.103 @@ -77,6 +150,7 @@
   3.104  	popw	%ds	
   3.105  	xorw	%di, %di
   3.106  	movw	$end-_start, %cx
   3.107 +	pushw	%cx
   3.108  	pushw	%si
   3.109  	rep
   3.110  	movsb			// move upack code to $TOP
   3.111 @@ -111,13 +185,13 @@
   3.112  	pushw	%si
   3.113  	rep
   3.114  	movsw			// move header part
   3.115 -
   3.116 +	popw	%di
   3.117 +	popw	%si
   3.118 +#endif
   3.119  	pushw	%es
   3.120  	popw	%ds
   3.121 -	movw	$end-_start, %si
   3.122  	pushw	%cs
   3.123  	popw	%es		// restore setup seg
   3.124 -	popw	%di
   3.125  	retf
   3.126  
   3.127  moved: