diff options
Diffstat (limited to 'arch/riscv/include')
| -rw-r--r-- | arch/riscv/include/csr.h | 9 | ||||
| -rw-r--r-- | arch/riscv/include/vmem.h | 8 |
2 files changed, 9 insertions, 8 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 */ diff --git a/arch/riscv/include/vmem.h b/arch/riscv/include/vmem.h index 2cd3ac7..d17aaf1 100644 --- a/arch/riscv/include/vmem.h +++ b/arch/riscv/include/vmem.h @@ -3,7 +3,6 @@ #include <apos/types.h> #include <apos/attrs.h> -#include <apos/pmem.h> #define VM_V (1 << 0) #define VM_R (1 << 1) @@ -25,11 +24,4 @@ struct __packed vm_branch_t { struct vm_branch_t *leaf[512]; }; - -void map_vmem(struct vm_branch_t *b, - pm_t paddr, vm_t vaddr, uint8_t flags, enum mm_order_t order); - -void unmap_vmem(struct vm_branch_t *b, - vm_t vaddr, enum mm_order_t order); - #endif /* APOS_RISCV_VMAP_H */ |