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lib/utils/gchelper_generic: Implement AArch64 support.

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Yonatan Goldschmidt 2021-02-21 02:05:40 +02:00 committed by Damien George
parent e196cb762e
commit 098ac11bb0
2 changed files with 29 additions and 0 deletions
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2
lib/utils/gchelper.h
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@ -39,6 +39,8 @@ typedef uintptr_t gc_helper_regs_t[6];
typedef uintptr_t gc_helper_regs_t[4];
#elif defined(__thumb2__) || defined(__thumb__) || defined(__arm__)
typedef uintptr_t gc_helper_regs_t[10];
#elif defined(__aarch64__)
typedef uintptr_t gc_helper_regs_t[11]; // x19-x29
#endif
#endif

27
lib/utils/gchelper_generic.c
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@ -123,6 +123,33 @@ STATIC void gc_helper_get_regs(gc_helper_regs_t arr) {
arr[9] = r13;
}
#elif defined(__aarch64__)
STATIC void gc_helper_get_regs(gc_helper_regs_t arr) {
const register long x19 asm ("x19");
const register long x20 asm ("x20");
const register long x21 asm ("x21");
const register long x22 asm ("x22");
const register long x23 asm ("x23");
const register long x24 asm ("x24");
const register long x25 asm ("x25");
const register long x26 asm ("x26");
const register long x27 asm ("x27");
const register long x28 asm ("x28");
const register long x29 asm ("x29");
arr[0] = x19;
arr[1] = x20;
arr[2] = x21;
arr[3] = x22;
arr[4] = x23;
arr[5] = x24;
arr[6] = x25;
arr[7] = x26;
arr[8] = x27;
arr[9] = x28;
arr[10] = x29;
}
#else
#error "Architecture not supported for gc_helper_get_regs. Set MICROPY_GCREGS_SETJMP to use the fallback implementation."