diff options
| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2023-08-03 18:50:06 +0300 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2023-08-03 18:50:06 +0300 |
| commit | 5f30284181fcfe5b16dfb94d4fba9a9ed4a2dc6a (patch) | |
| tree | 9e52287fc627631e56f184d074a1cac990f42a78 /arch/riscv64/kernel | |
| parent | 551b5427798e0fabcd14dc801b064a79df5de41a (diff) | |
| download | kmi-5f30284181fcfe5b16dfb94d4fba9a9ed4a2dc6a.tar.gz kmi-5f30284181fcfe5b16dfb94d4fba9a9ed4a2dc6a.zip | |
add sbi_hart_start
Diffstat (limited to 'arch/riscv64/kernel')
| -rw-r--r-- | arch/riscv64/kernel/sbi.h | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/arch/riscv64/kernel/sbi.h b/arch/riscv64/kernel/sbi.h index ef38b35..8abff25 100644 --- a/arch/riscv64/kernel/sbi.h +++ b/arch/riscv64/kernel/sbi.h @@ -64,7 +64,7 @@ struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0, #define EID_TIME 0x54494D45 /** Function ID of sbi_set_timer(). */ -#define FID_SET_TIMER 0 +#define FID_TIME_SET_TIMER 0 /** * Start timer. IRQs have to be enabled for the timer to trigger. @@ -76,10 +76,11 @@ struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0, static inline struct sbiret sbi_set_timer(uint64_t stime_value) { #if defined(riscv32) - return sbi_ecall(EID_TIME, FID_SET_TIMER, stime_value, + return sbi_ecall(EID_TIME, FID_TIME_SET_TIMER, stime_value, stime_value >> 32, 0, 0, 0, 0); #else - return sbi_ecall(EID_TIME, FID_SET_TIMER, stime_value, 0, 0, 0, 0, 0); + return sbi_ecall(EID_TIME, FID_TIME_SET_TIMER, stime_value, + 0, 0, 0, 0, 0); #endif } @@ -87,7 +88,7 @@ static inline struct sbiret sbi_set_timer(uint64_t stime_value) #define EID_SRST 0x53525354 /** Function ID of sbi_system_reset(). */ -#define FID_RESET 0 +#define FID_SRST_RESET 0 /** * Reset system. @@ -102,15 +103,15 @@ static inline struct sbiret sbi_set_timer(uint64_t stime_value) static inline struct sbiret sbi_system_reset(uint32_t reset_type, uint32_t reset_reason) { - return sbi_ecall(EID_SRST, FID_RESET, reset_type, reset_reason, 0, 0, 0, - 0); + return sbi_ecall(EID_SRST, FID_SRST_RESET, reset_type, reset_reason, + 0, 0, 0, 0); } /** Supervisor IPI extension ID. */ #define EID_sPI 0x735049 /** Supervisor IPI function ID. */ -#define FID_IPI 0 +#define FID_sPI_IPI 0 /** * Send IPI. @@ -122,8 +123,22 @@ static inline struct sbiret sbi_system_reset(uint32_t reset_type, static inline struct sbiret sbi_send_ipi(unsigned long hart_mask, unsigned long hart_mask_base) { - return sbi_ecall(EID_sPI, FID_IPI, hart_mask, hart_mask_base, + return sbi_ecall(EID_sPI, FID_sPI_IPI, hart_mask, hart_mask_base, 0, 0, 0, 0); } +/** Hart state management extension ID. */ +#define EID_HSM 0x48534D + +/** Hart start function ID. */ +#define FID_HSM_START 0 + +static inline struct sbiret sbi_hart_start(unsigned long hartid, + unsigned long start_addr, + unsigned long opaque) +{ + return sbi_ecall(EID_HSM, FID_HSM_START, hartid, start_addr, opaque, + 0, 0, 0); +} + #endif /* KMI_RISCV_SBI_H */ |