diff options
Diffstat (limited to 'src/cpu/x86/reset16.S')
| -rw-r--r-- | src/cpu/x86/reset16.S | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/cpu/x86/reset16.S b/src/cpu/x86/reset16.S new file mode 100644 index 0000000000..38580146b4 --- /dev/null +++ b/src/cpu/x86/reset16.S @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + + .section ".reset", "ax", %progbits + .code16 +.globl _start +_start: + .byte 0xe9 + .int _start16bit - ( . + 2 ) + /* Note: The above jump is hand coded to work around bugs in binutils. + * 5 byte are used for a 3 byte instruction. This works because x86 + * is little endian and allows us to use supported 32bit relocations + * instead of the weird 16 bit relocations that binutils does not + * handle consistently between versions because they are used so rarely. + */ |