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17 lines
423 B
C
17 lines
423 B
C
/* Dump ARM registers that can be read in EL0 (and higher). */
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#include <stdio.h>
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#include <inttypes.h>
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int main(void) {
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uint32_t cpsr;
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uint32_t cpsr_m;
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__asm__ ("mrs %0, cpsr" : "=r" (cpsr) : :);
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printf("CPSR 0x%" PRIX32 "\n", cpsr);
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/* https://cirosantilli.com/linux-kernel-module-cheat#arm-exception-levels */
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cpsr_m = cpsr & 0xF;
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printf("CPSR.M 0x%" PRIX32 "\n", cpsr_m);
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return 0;
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}
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