diff options
| -rw-r--r-- | include/sbi/sbi_hsm.h | 2 | ||||
| -rw-r--r-- | lib/sbi/sbi_ecall_hsm.c | 6 | ||||
| -rw-r--r-- | lib/sbi/sbi_hsm.c | 6 |
3 files changed, 11 insertions, 3 deletions
diff --git a/include/sbi/sbi_hsm.h b/include/sbi/sbi_hsm.h index 57d41ff..18d129b 100644 --- a/include/sbi/sbi_hsm.h +++ b/include/sbi/sbi_hsm.h @@ -25,7 +25,7 @@ int sbi_hsm_init(struct sbi_scratch *scratch, u32 hartid, bool cold_boot); void __noreturn sbi_hsm_exit(struct sbi_scratch *scratch); int sbi_hsm_hart_start(struct sbi_scratch *scratch, u32 hartid, - ulong saddr, ulong priv); + ulong saddr, ulong smode, ulong priv); int sbi_hsm_hart_stop(struct sbi_scratch *scratch, bool exitnow); int sbi_hsm_hart_get_state(u32 hartid); int sbi_hsm_hart_state_to_status(int state); diff --git a/lib/sbi/sbi_ecall_hsm.c b/lib/sbi/sbi_ecall_hsm.c index 028bf68..992c93a 100644 --- a/lib/sbi/sbi_ecall_hsm.c +++ b/lib/sbi/sbi_ecall_hsm.c @@ -19,12 +19,16 @@ static int sbi_ecall_hsm_handler(unsigned long extid, unsigned long funcid, unsigned long *args, unsigned long *out_val, struct sbi_trap_info *out_trap) { + ulong smode; int ret = 0, hstate; struct sbi_scratch *scratch = sbi_scratch_thishart_ptr(); switch (funcid) { case SBI_EXT_HSM_HART_START: - ret = sbi_hsm_hart_start(scratch, args[0], args[1], args[2]); + smode = csr_read(CSR_MSTATUS); + smode = (smode & MSTATUS_MPP) >> MSTATUS_MPP_SHIFT; + ret = sbi_hsm_hart_start(scratch, args[0], args[1], + smode, args[2]); break; case SBI_EXT_HSM_HART_STOP: ret = sbi_hsm_hart_stop(scratch, TRUE); diff --git a/lib/sbi/sbi_hsm.c b/lib/sbi/sbi_hsm.c index 013647a..b430793 100644 --- a/lib/sbi/sbi_hsm.c +++ b/lib/sbi/sbi_hsm.c @@ -203,7 +203,7 @@ fail_exit: } int sbi_hsm_hart_start(struct sbi_scratch *scratch, u32 hartid, - ulong saddr, ulong priv) + ulong saddr, ulong smode, ulong priv) { int rc; unsigned long init_count; @@ -212,6 +212,9 @@ int sbi_hsm_hart_start(struct sbi_scratch *scratch, u32 hartid, struct sbi_hsm_data *hdata; const struct sbi_platform *plat = sbi_platform_ptr(scratch); + if (smode != PRV_M && smode != PRV_S && smode != PRV_U) + return SBI_EINVAL; + rscratch = sbi_hartid_to_scratch(hartid); if (!rscratch) return SBI_EINVAL; @@ -236,6 +239,7 @@ int sbi_hsm_hart_start(struct sbi_scratch *scratch, u32 hartid, init_count = sbi_init_count(hartid); rscratch->next_arg1 = priv; rscratch->next_addr = saddr; + rscratch->next_mode = smode; if (sbi_platform_has_hart_hotplug(plat) || (sbi_platform_has_hart_secondary_boot(plat) && !init_count)) { |