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| author | Jens Arnold <amiconn@rockbox.org> | 2004-06-25 21:01:37 +0000 |
|---|---|---|
| committer | Jens Arnold <amiconn@rockbox.org> | 2004-06-25 21:01:37 +0000 |
| commit | b058366b1310bb8495bdc002a86e3c2500aa5e6f (patch) | |
| tree | 5519cd20511c6b8f6c42a0764fe49883c31816f7 /apps/plugins/lib | |
| parent | 7c6bdd64935452464b21f99198896c34569105e5 (diff) | |
| download | rockbox-b058366b1310bb8495bdc002a86e3c2500aa5e6f.zip rockbox-b058366b1310bb8495bdc002a86e3c2500aa5e6f.tar.gz rockbox-b058366b1310bb8495bdc002a86e3c2500aa5e6f.tar.bz2 rockbox-b058366b1310bb8495bdc002a86e3c2500aa5e6f.tar.xz | |
Save and restore pr register within _writearray() / _writeblock(). Cleaner coding, fixes GCC 3.3.1 build.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4803 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins/lib')
| -rw-r--r-- | apps/plugins/lib/gray_blockfuncs.c | 2 | ||||
| -rw-r--r-- | apps/plugins/lib/gray_drawgraymap.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/apps/plugins/lib/gray_blockfuncs.c b/apps/plugins/lib/gray_blockfuncs.c index 4eea73a..47ff167 100644 --- a/apps/plugins/lib/gray_blockfuncs.c +++ b/apps/plugins/lib/gray_blockfuncs.c @@ -54,6 +54,7 @@ static void _writeblock(unsigned char *address, unsigned mask, unsigned bits) * see there for an explanation) for all 8 pixels and put them on an * extra stack */ asm ( + "sts.l pr,@-r15 \n" /* save pr (fix GCC331 build, cleaner) */ "mov #8,r3 \n" /* loop count in r3: 8 pixels */ "mov %6,r2 \n" /* copy mask */ @@ -103,6 +104,7 @@ static void _writeblock(unsigned char *address, unsigned mask, unsigned bits) "add #-1,r3 \n" /* decrease loop count */ "cmp/pl r3 \n" /* loop count > 0? */ "bt .wb_loop \n" /* yes: loop */ + "lds.l @r15+,pr \n" /* retsore pr */ : /* outputs */ /* %0, in & out */ "+r"(_gray_random_buffer), /* %1, in & out */ "+r"(pat_ptr) diff --git a/apps/plugins/lib/gray_drawgraymap.c b/apps/plugins/lib/gray_drawgraymap.c index 5febeb2..dc33446 100644 --- a/apps/plugins/lib/gray_drawgraymap.c +++ b/apps/plugins/lib/gray_drawgraymap.c @@ -49,6 +49,7 @@ static void _writearray(unsigned char *address, unsigned char *src, int stride, * _writepixel, see there for an explanation) for all 8 pixels and put them * on an extra "stack" */ asm ( + "sts.l pr,@-r15 \n" /* save pr (fix GCC331 build, cleaner) */ "mov #8,r3 \n" /* loop count in r3: 8 pixels */ "mov %7,r2 \n" /* copy mask */ @@ -98,6 +99,7 @@ static void _writearray(unsigned char *address, unsigned char *src, int stride, "add #-1,r3 \n" /* decrease loop count */ "cmp/pl r3 \n" /* loop count > 0? */ "bt .wa_loop \n" /* yes: loop */ + "lds.l @r15+,pr \n" /* restore pr */ : /* outputs */ /* %0, in & out */ "+r"(_gray_random_buffer), /* %1, in & out */ "+r"(pat_ptr) |