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include: common: Add sys_set_bits and set_clear_bits inline functions

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Add new common inline functions sys_set_bits and set_clear_bits to set
and clear multiple bits via bit mask in single function call.

Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
This commit is contained in:
Siew Chin Lim 2021-04-21 17:44:45 +08:00 • committed by Anas Nashif
commit 5b6c59397e
2 changed files with 34 additions and 0 deletions
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14
include/arch/common/sys_bitops.h
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@ -42,6 +42,20 @@ static ALWAYS_INLINE int sys_test_bit(mem_addr_t addr, unsigned int bit)
return temp & (1 << bit);
}
static ALWAYS_INLINE void sys_set_bits(mem_addr_t addr, unsigned int mask)
{
uint32_t temp = *(volatile uint32_t *)addr;
*(volatile uint32_t *)addr = temp | mask;
}
static ALWAYS_INLINE void sys_clear_bits(mem_addr_t addr, unsigned int mask)
{
uint32_t temp = *(volatile uint32_t *)addr;
*(volatile uint32_t *)addr = temp & ~mask;
}
static ALWAYS_INLINE
void sys_bitfield_set_bit(mem_addr_t addr, unsigned int bit)
{