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cpu/msp430_common: Refactor cpu.{c,h}

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Drop `__enable_irq()` and `__disable_irq()` and replace single remaining
call of them with the standard IRQ API, as this is now equally fast.
This commit is contained in:
Marian Buschsieweke 2020-07-15 12:20:08 +02:00
parent c5c83cfe3c
commit 1a8defd209
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GPG Key ID: 61F64C6599B1539F
2 changed files with 1 additions and 23 deletions
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2
cpu/msp430_common/cpu.c
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@ -21,7 +21,7 @@
__attribute__((naked)) void thread_yield_higher(void)
{
__asm__("push r2"); /* save SR */
__disable_irq();
irq_disable();
__save_context();

22
cpu/msp430_common/include/cpu.h
View File

@ -45,28 +45,6 @@ extern "C" {
*/
#define ISR(a,b) void __attribute__((naked, interrupt (a))) b(void)
/**
* @brief Globally disable IRQs
*/
static inline void __attribute__((always_inline)) __disable_irq(void)
{
__asm__ __volatile__("bic %0, r2" : : "i"(GIE));
/* this NOP is needed to handle a "delay slot" that all MSP430 MCUs
impose silently after messing with the GIE bit, DO NOT REMOVE IT! */
__asm__ __volatile__("nop");
}
/**
* @brief Globally enable IRQs
*/
static inline void __attribute__((always_inline)) __enable_irq(void)
{
__asm__ __volatile__("bis %0, r2" : : "i"(GIE));
/* this NOP is needed to handle a "delay slot" that all MSP430 MCUs
impose silently after messing with the GIE bit, DO NOT REMOVE IT! */
__asm__ __volatile__("nop");
}
/**
* @brief The current ISR state (inside or not)
*/