diff options
| author | Steve McIntyre <steve@einval.com> | 2021-03-23 23:49:46 +0000 |
|---|---|---|
| committer | Steve McIntyre <steve@einval.com> | 2021-03-23 23:49:46 +0000 |
| commit | 1251a7ba86fc40a6aad8b4fecdbca2b61808d9fa (patch) | |
| tree | 2125fda549aaca55cb49a48d54be77dec7fbf3df /gnu-efi/lib/aarch64/setjmp.S | |
| parent | 85b409232ce89b34626df9d72abedf5d4f5ccef6 (diff) | |
| parent | 031e5cce385d3f96b1caa1d53495332a7eb03749 (diff) | |
| download | efi-boot-shim-debian/15.3-1.tar.gz efi-boot-shim-debian/15.3-1.zip | |
Update upstream source from tag 'upstream/15.3'debian/15.3-1
Update to upstream version '15.3'
with Debian dir 1b484f1c1ac270604a5a1451b34de4b0865c6211
Diffstat (limited to 'gnu-efi/lib/aarch64/setjmp.S')
| -rw-r--r-- | gnu-efi/lib/aarch64/setjmp.S | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/gnu-efi/lib/aarch64/setjmp.S b/gnu-efi/lib/aarch64/setjmp.S new file mode 100644 index 00000000..46c29b16 --- /dev/null +++ b/gnu-efi/lib/aarch64/setjmp.S @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved. + * This program and the accompanying materials are licensed and made +available + * under the terms and conditions of the BSD License which accompanies +this + * distribution. The full text of the license may be found at + * http://opensource.org/licenses/bsd-license.php. + * + * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" +BASIS, + * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR + * IMPLIED. + */ + .text + .p2align 3 + +#define GPR_LAYOUT \ + REG_PAIR (x19, x20, 0); \ + REG_PAIR (x21, x22, 16); \ + REG_PAIR (x23, x24, 32); \ + REG_PAIR (x25, x26, 48); \ + REG_PAIR (x27, x28, 64); \ + REG_PAIR (x29, x30, 80); \ + REG_ONE (x16, 96) + +#define FPR_LAYOUT \ + REG_PAIR(d8, d9, 112); \ + REG_PAIR(d10, d11, 128); \ + REG_PAIR(d12, d13, 144); \ + REG_PAIR(d14, d15, 160); + +#define REG_PAIR(REG1, REG2, OFFS) stp REG1, REG2, [x0, OFFS] +#define REG_ONE(REG1, OFFS) str REG1, [x0, OFFS] + + .globl setjmp + .type setjmp, @function +setjmp: + mov x16, sp + GPR_LAYOUT + FPR_LAYOUT + mov w0, #0 + ret + +#undef REG_PAIR +#undef REG_ONE + +#define REG_PAIR(REG1, REG2, OFFS) ldp REG1, REG2, [x0, OFFS] +#define REG_ONE(REG1, OFFS) ldr REG1, [x0, OFFS] + + .globl longjmp + .type longjmp, @function +longjmp: + GPR_LAYOUT + FPR_LAYOUT + mov sp, x16 + cmp w1, #0 + mov w0, #1 + csel w0, w1, w0, ne + br x30 |