mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-29 17:48:10 +00:00
23 lines
715 B
C
23 lines
715 B
C
// supervisor call functions
|
|
|
|
#define SVC_ENABLE_IRQ 0
|
|
#define SVC_DISABLE_IRQ 1
|
|
#define SVC_SET_PRIORITY 2
|
|
|
|
inline void svc_enableIRQ(uint32_t IRQn) {
|
|
register uint32_t r0 __asm__("r0") = IRQn;
|
|
__asm__ __volatile__("svc %0" ::"i"(SVC_ENABLE_IRQ), "r"(r0) : "memory");
|
|
}
|
|
|
|
inline void svc_disableIRQ(uint32_t IRQn) {
|
|
register uint32_t r0 __asm__("r0") = IRQn;
|
|
__asm__ __volatile__("svc %0" ::"i"(SVC_DISABLE_IRQ), "r"(r0) : "memory");
|
|
}
|
|
|
|
inline void svc_setpriority(uint32_t IRQn, uint32_t priority) {
|
|
register uint32_t r0 __asm__("r0") = IRQn;
|
|
register uint32_t r1 __asm__("r1") = priority;
|
|
__asm__ __volatile__("svc %0" ::"i"(SVC_SET_PRIORITY), "r"(r0), "r"(r1)
|
|
: "memory");
|
|
}
|