diff options
| author | Andrew Mahone <andrew.mahone@gmail.com> | 2009-07-13 00:40:35 +0000 |
|---|---|---|
| committer | Andrew Mahone <andrew.mahone@gmail.com> | 2009-07-13 00:40:35 +0000 |
| commit | 668a769ca4cabdfee54dc53e92a964c32c9738d7 (patch) | |
| tree | a4c42168e4b86d4b7e09533307ae070fd3c7bcc0 /apps/core_asmdefs.c | |
| parent | 36eeecbe9a91a5da8bd82ee3974c359f4534dd14 (diff) | |
| download | rockbox-668a769ca4cabdfee54dc53e92a964c32c9738d7.tar.gz rockbox-668a769ca4cabdfee54dc53e92a964c32c9738d7.zip | |
Add new asmdefs mechanism for exporting information only available to the C compiler for use in asm files, and use it in arm jpeg idct. See apps/apps.make, apps/core_asmdefs.c, and apps/recorder/jpeg_idct_arm.S for details.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21831 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/core_asmdefs.c')
| -rw-r--r-- | apps/core_asmdefs.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/apps/core_asmdefs.c b/apps/core_asmdefs.c new file mode 100644 index 0000000000..f0847b2254 --- /dev/null +++ b/apps/core_asmdefs.c @@ -0,0 +1,17 @@ +#include <config.h> +#include <bmp.h> + +/* To export a value for use in assembly files, define an int or unsigned here + * named AD_<name> and include apps/core_asmdefs.h in the assembly file. + * Identifiers without the AD_ prefix will be ignored, and can be used to + * create instances of structs for finding offsets to individual members. + */ + + +/* Size of a pixel with 8-bit components. */ +const int AD_pix8_size = +#ifdef HAVE_LCD_COLOR + sizeof(struct uint8_rgb); +#else + 1; +#endif |