From 8e8f700842f7b9737bfd62651372db0656cfa52d Mon Sep 17 00:00:00 2001 From: Karl Kurbjun Date: Sun, 6 Feb 2011 19:43:45 +0000 Subject: 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 --- firmware/export/system.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'firmware/export/system.h') diff --git a/firmware/export/system.h b/firmware/export/system.h index b246d154a4..65db721bb4 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); -- cgit v1.2.3