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| author | Karl Kurbjun <kkurbjun@gmail.com> | 2011-02-06 19:43:45 +0000 |
|---|---|---|
| committer | Karl Kurbjun <kkurbjun@gmail.com> | 2011-02-06 19:43:45 +0000 |
| commit | 8e8f700842f7b9737bfd62651372db0656cfa52d (patch) | |
| tree | 1507f39c128704e88c535c345645ea6f03603b5e /firmware/export | |
| parent | 50c547c640b46fa54da0b7767ef3ee57ef89270d (diff) | |
| download | rockbox-8e8f700842f7b9737bfd62651372db0656cfa52d.zip rockbox-8e8f700842f7b9737bfd62651372db0656cfa52d.tar.gz rockbox-8e8f700842f7b9737bfd62651372db0656cfa52d.tar.bz2 rockbox-8e8f700842f7b9737bfd62651372db0656cfa52d.tar.xz | |
Add ARMv4 16-bit(set, mod, clr) operations used on DM320.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29221 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 b246d15..65db721 100644 --- a/firmware/export/system.h +++ b/firmware/export/system.h @@ -152,6 +152,10 @@ uint32_t isolate_first_bit(uint32_t val) { return val & -val; } /* Functions to set and clear register or variable bits atomically */ +void bitmod16(volatile uint16_t *addr, uint16_t bits, uint16_t mask); +void bitset16(volatile uint16_t *addr, uint16_t mask); +void bitclr16(volatile uint16_t *addr, uint16_t mask); + void bitmod32(volatile uint32_t *addr, uint32_t bits, uint32_t mask); void bitset32(volatile uint32_t *addr, uint32_t mask); void bitclr32(volatile uint32_t *addr, uint32_t mask); |