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