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| author | Andrew Mahone <andrew.mahone@gmail.com> | 2009-06-06 00:00:58 +0000 |
|---|---|---|
| committer | Andrew Mahone <andrew.mahone@gmail.com> | 2009-06-06 00:00:58 +0000 |
| commit | de7c5711c5d67e7e69386d6e35e42c8ce15de69b (patch) | |
| tree | 22f58338387ae6ac662e43fe83ef60105f97d627 /firmware/export | |
| parent | fe72c890a76c1f227ef749adbdcf964bb166d74c (diff) | |
| download | rockbox-de7c5711c5d67e7e69386d6e35e42c8ce15de69b.tar.gz rockbox-de7c5711c5d67e7e69386d6e35e42c8ce15de69b.zip | |
Add a system-wide BIT_N macro, implemented via an LUT on SH, and use it in the TAGCACHE_IS_* macros in place of per-set LUTs, removing duplication of data between those LUTs and the mask values used on other targets.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21195 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/export')
| -rw-r--r-- | firmware/export/system.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/firmware/export/system.h b/firmware/export/system.h index b44600d2c2..489ed8dc12 100644 --- a/firmware/export/system.h +++ b/firmware/export/system.h | |||
| @@ -266,6 +266,10 @@ static inline uint32_t swap_odd_even32(uint32_t value) | |||
| 266 | 266 | ||
| 267 | #endif /* !SIMULATOR */ | 267 | #endif /* !SIMULATOR */ |
| 268 | 268 | ||
| 269 | #ifndef TEST_BIT_N | ||
| 270 | #define TEST_BIT_N(n, mask) ((1UL << (n)) & (mask)) | ||
| 271 | #endif | ||
| 272 | |||
| 269 | /* Declare this as HIGHEST_IRQ_LEVEL if they don't differ */ | 273 | /* Declare this as HIGHEST_IRQ_LEVEL if they don't differ */ |
| 270 | #ifndef DISABLE_INTERRUPTS | 274 | #ifndef DISABLE_INTERRUPTS |
| 271 | #define DISABLE_INTERRUPTS HIGHEST_IRQ_LEVEL | 275 | #define DISABLE_INTERRUPTS HIGHEST_IRQ_LEVEL |