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| author | Youling Tang <tangyouling@loongson.cn> | 2023-02-25 15:52:56 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2023-02-25 22:12:16 +0800 |
| commit | 8cbd5ebfe241699288cb152081854414f6265718 (patch) | |
| tree | bf26d6bcc1c3f9b364f474b65b0399c09514658b /arch/loongarch/include | |
| parent | f733f119e9b31088063652a7ad16963d85cb73dd (diff) | |
| download | lwn-8cbd5ebfe241699288cb152081854414f6265718.tar.gz lwn-8cbd5ebfe241699288cb152081854414f6265718.zip | |
LoongArch: Add JUMP_VIRT_ADDR macro implementation to avoid using la.abs
Add JUMP_VIRT_ADDR macro implementation to avoid using la.abs directly.
This is a preparation for subsequent patches.
Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/include')
| -rw-r--r-- | arch/loongarch/include/asm/stackframe.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/stackframe.h b/arch/loongarch/include/asm/stackframe.h index 7deb043ce387..0274e704c13b 100644 --- a/arch/loongarch/include/asm/stackframe.h +++ b/arch/loongarch/include/asm/stackframe.h @@ -7,6 +7,7 @@ #include <linux/threads.h> +#include <asm/addrspace.h> #include <asm/asm.h> #include <asm/asmmacro.h> #include <asm/asm-offsets.h> @@ -36,6 +37,14 @@ cfi_restore \reg \offset \docfi .endm +/* Jump to the runtime virtual address. */ + .macro JUMP_VIRT_ADDR temp1 temp2 + li.d \temp1, CACHE_BASE + pcaddi \temp2, 0 + or \temp1, \temp1, \temp2 + jirl zero, \temp1, 0xc + .endm + .macro BACKUP_T0T1 csrwr t0, EXCEPTION_KS0 csrwr t1, EXCEPTION_KS1 |