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| author | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
|---|---|---|
| committer | Vladimir Azarov <avm@intermediate-node.net> | 2024-10-01 15:47:05 +0200 |
| commit | 4abab5ad6c8465a7528ccdd5f49367da05f78bbd (patch) | |
| tree | ebf009bf1376a5a223a915bc27cbbd791a1316bc /src/setjmp/arm/longjmp.S | |
Initial version
Diffstat (limited to 'src/setjmp/arm/longjmp.S')
| -rw-r--r-- | src/setjmp/arm/longjmp.S | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/setjmp/arm/longjmp.S b/src/setjmp/arm/longjmp.S new file mode 100644 index 0000000..8df0b81 --- /dev/null +++ b/src/setjmp/arm/longjmp.S @@ -0,0 +1,50 @@ +.syntax unified +.global _longjmp +.global longjmp +.type _longjmp,%function +.type longjmp,%function +_longjmp: +longjmp: + mov ip,r0 + movs r0,r1 + moveq r0,#1 + ldmia ip!, {v1,v2,v3,v4,v5,v6,sl,fp} + ldmia ip!, {r2,lr} + mov sp,r2 + + adr r1,1f + ldr r2,1f + ldr r1,[r1,r2] + +#if __ARM_ARCH < 8 + tst r1,#0x260 + beq 3f + // HWCAP_ARM_FPA + tst r1,#0x20 + beq 2f + ldc p2, cr4, [ip], #48 +#endif +2: tst r1,#0x40 + beq 2f + .fpu vfp + vldmia ip!, {d8-d15} + .fpu softvfp + .eabi_attribute 10, 0 + .eabi_attribute 27, 0 +#if __ARM_ARCH < 8 + // HWCAP_ARM_IWMMXT +2: tst r1,#0x200 + beq 3f + ldcl p1, cr10, [ip], #8 + ldcl p1, cr11, [ip], #8 + ldcl p1, cr12, [ip], #8 + ldcl p1, cr13, [ip], #8 + ldcl p1, cr14, [ip], #8 + ldcl p1, cr15, [ip], #8 +#endif +2: +3: bx lr + +.hidden __hwcap +.align 2 +1: .word __hwcap-1b |