diff options
| -rw-r--r-- | arch/riscv/include/asm/system.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/riscv/include/asm/system.h b/arch/riscv/include/asm/system.h index 9d8e43e..ffa7649 100644 --- a/arch/riscv/include/asm/system.h +++ b/arch/riscv/include/asm/system.h @@ -7,15 +7,24 @@ #ifndef __ASM_RISCV_SYSTEM_H #define __ASM_RISCV_SYSTEM_H +#include <asm/csr.h> + struct event; /* - * Interrupt configuring macros. - * - * TODO - * + * Interupt configuration macros */ +#define local_irq_save(__flags) \ + do { \ + __flags = csr_read_clear(CSR_SSTATUS, SR_SIE) & SR_SIE; \ + } while (0) + +#define local_irq_restore(__flags) \ + do { \ + csr_set(CSR_SSTATUS, __flags & SR_SIE); \ + } while (0) + /* Hook to set up the CPU (called from SPL too) */ int riscv_cpu_setup(void *ctx, struct event *event); |