From 05042affc76ec42481bcddba4a3f94a7b77ec98d Mon Sep 17 00:00:00 2001 From: Jens Arnold Date: Sat, 1 Oct 2005 10:20:55 +0000 Subject: Core: A graphics framework can now register a hook function to extend the core screendump routine. * Grayscale library: (1) Changed the screendump routine into a hook, and implemented it for H1x0. (2) The planar pixel setting routines now use one register less. Fixes build problem with developer builds (frame pointers enabled) on coldfire. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7574 a1c6a512-1295-4272-9138-f99709370657 --- apps/plugins/lib/gray_draw.c | 38 ++++++++++++++++++++------------------ 1 file changed, 20 insertions(+), 18 deletions(-) (limited to 'apps/plugins/lib/gray_draw.c') diff --git a/apps/plugins/lib/gray_draw.c b/apps/plugins/lib/gray_draw.c index 4b2237197c..d03f450b5f 100644 --- a/apps/plugins/lib/gray_draw.c +++ b/apps/plugins/lib/gray_draw.c @@ -588,7 +588,7 @@ static void _writearray(unsigned char *address, const unsigned char *src, unsigned long *pat_ptr = &pat_stack[8]; const unsigned char *_src; unsigned char *addr, *end; - unsigned _mask; + unsigned _mask, trash; _mask = mask; _src = src; @@ -675,7 +675,7 @@ static void _writearray(unsigned char *address, const unsigned char *src, "mov.l @%[patp]+,r7\n" "mov.l @%[patp]+,r8\n" "mov.l @%[patp]+,r9\n" - "mov.l @%[patp]+,r10 \n" + "mov.l @%[patp],%[rx] \n" "not %[mask],%[mask] \n" /* "set" mask -> "keep" mask */ "extu.b %[mask],%[mask] \n" /* mask out high bits */ @@ -697,7 +697,7 @@ static void _writearray(unsigned char *address, const unsigned char *src, "rotcl r0 \n" "shlr r9 \n" "rotcl r0 \n" - "shlr r10 \n" + "shlr %[rx] \n" "mov.b @%[addr],%[patp]\n" /* read old value */ "rotcl r0 \n" "and %[mask],%[patp] \n" /* mask out unneeded bits */ @@ -725,7 +725,7 @@ static void _writearray(unsigned char *address, const unsigned char *src, "rotcl r0 \n" "shlr r9 \n" "rotcl r0 \n" - "shlr r10 \n" + "shlr %[rx] \n" "rotcl r0 \n" "mov.b r0,@%[addr] \n" /* store byte to bitplane */ "add %[psiz],%[addr] \n" /* advance to next bitplane */ @@ -734,21 +734,22 @@ static void _writearray(unsigned char *address, const unsigned char *src, ".wa_end: \n" : /* outputs */ - [patp]"+r"(pat_ptr), [addr]"+r"(addr), - [mask]"+r"(_mask) + [mask]"+r"(_mask), + [rx] "=&r"(trash) : /* inputs */ + [psiz]"r"(_gray_info.plane_size), [end] "r"(end), - [psiz]"r"(_gray_info.plane_size) + [patp]"[rx]"(pat_ptr) : /* clobbers */ - "r0", "r1", "r2", "r3", "r6", "r7", "r8", "r9", "r10" + "r0", "r1", "r2", "r3", "r6", "r7", "r8", "r9" ); #elif defined(CPU_COLDFIRE) && (LCD_DEPTH == 2) unsigned long pat_stack[8]; unsigned long *pat_ptr = &pat_stack[8]; const unsigned char *_src; unsigned char *addr, *end; - unsigned _mask; + unsigned _mask, trash; _mask = mask; _src = src; @@ -819,8 +820,8 @@ static void _writearray(unsigned char *address, const unsigned char *src, /* set the bits for all 8 pixels in all bytes according to the * precalculated patterns on the pattern stack */ asm volatile ( - "movem.l (%[patp]),%%d2-%%d6/%%a0-%%a2 \n" /* pop all 8 patterns */ - + "movem.l (%[patp]),%%d2-%%d6/%%a0-%%a1/%[ax] \n" + /* pop all 8 patterns */ "not.l %[mask] \n" /* "set" mask -> "keep" mask */ "and.l #0xFF,%[mask] \n" "beq.b .wa_sloop \n" /* yes: jump to short loop */ @@ -845,10 +846,10 @@ static void _writearray(unsigned char *address, const unsigned char *src, "lsr.l #1,%%d1 \n" "addx.l %%d0,%%d0 \n" "move.l %%d1,%%a1 \n" - "move.l %%a2,%%d1 \n" + "move.l %[ax],%%d1 \n" "lsr.l #1,%%d1 \n" "addx.l %%d0,%%d0 \n" - "move.l %%d1,%%a2 \n" + "move.l %%d1,%[ax] \n" "move.b (%[addr]),%%d1 \n" /* read old value */ "and.l %[mask],%%d1 \n" /* mask out unneeded bits */ @@ -881,10 +882,10 @@ static void _writearray(unsigned char *address, const unsigned char *src, "lsr.l #1,%%d1 \n" "addx.l %%d0,%%d0 \n" "move.l %%d1,%%a1 \n" - "move.l %%a2,%%d1 \n" + "move.l %[ax],%%d1 \n" "lsr.l #1,%%d1 \n" "addx.l %%d0,%%d0 \n" - "move.l %%d1,%%a2 \n" + "move.l %%d1,%[ax] \n" "move.b %%d0,(%[addr]) \n" /* store byte to bitplane */ "add.l %[psiz],%[addr] \n" /* advance to next bitplane */ @@ -894,13 +895,14 @@ static void _writearray(unsigned char *address, const unsigned char *src, ".wa_end: \n" : /* outputs */ [addr]"+a"(addr), - [mask]"+d"(_mask) + [mask]"+d"(_mask), + [ax] "=&a"(trash) : /* inputs */ [psiz]"a"(_gray_info.plane_size), [end] "a"(end), - [patp]"a"(pat_ptr) + [patp]"[ax]"(pat_ptr) : /* clobbers */ - "d0", "d1", "d2", "d3", "d4", "d5", "d6", "a0", "a1", "a2" + "d0", "d1", "d2", "d3", "d4", "d5", "d6", "a0", "a1" ); #endif } -- cgit v1.2.3