diff options
| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2021-12-20 12:28:30 +0200 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2021-12-20 12:37:55 +0200 |
| commit | dc2e2cc9dc9d7790e23dd9a4ccc265d7bb6d76aa (patch) | |
| tree | ee12863bb4aab536810bbe13638bf21317b37658 /arch/riscv/include/csr.h | |
| parent | 98255910aa82c27d04ba79704086eca2310b3075 (diff) | |
| download | kmi-dc2e2cc9dc9d7790e23dd9a4ccc265d7bb6d76aa.tar.gz kmi-dc2e2cc9dc9d7790e23dd9a4ccc265d7bb6d76aa.zip | |
Added init back
Diffstat (limited to 'arch/riscv/include/csr.h')
| -rw-r--r-- | arch/riscv/include/csr.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/riscv/include/csr.h b/arch/riscv/include/csr.h index 70e60bb..bd02b04 100644 --- a/arch/riscv/include/csr.h +++ b/arch/riscv/include/csr.h @@ -37,6 +37,9 @@ #define EXC_LOAD_PAGE_FAULT 13 #define EXC_STORE_PAGE_FAULT 15 +/* status CSR bits */ +#define SSTATUS_SUM (1 << 18) + /* directly lifted from Linux:/arch/riscv/include/asm/asm.h:9-13 */ #ifdef __ASSEMBLY__ #define __ASM_STR(x) x @@ -50,4 +53,10 @@ #define csr_write(csr, val)\ __asm__ ("csrw " __ASM_STR(csr) ", %0" : : "rK" (val) : "memory") +#define csr_set(csr, val)\ + __asm__ ("csrs " __ASM_STR(csr) ", %0" : : "rK" (val) : "memory") + +#define csr_clear(csr, val)\ + __asm__ ("csrc " __ASM_STR(csr) ", %0" : : "rK" (val) : "memory") + #endif /* APOS_CSR_H */ |