diff options
Diffstat (limited to 'lib/sbi/sbi_ecall_replace.c')
| -rw-r--r-- | lib/sbi/sbi_ecall_replace.c | 59 |
1 files changed, 32 insertions, 27 deletions
diff --git a/lib/sbi/sbi_ecall_replace.c b/lib/sbi/sbi_ecall_replace.c index d06dfa2..a95821b 100644 --- a/lib/sbi/sbi_ecall_replace.c +++ b/lib/sbi/sbi_ecall_replace.c @@ -17,18 +17,20 @@ #include <sbi/sbi_system.h> #include <sbi/sbi_timer.h> #include <sbi/sbi_tlb.h> +#include <sbi/sbi_trap.h> static int sbi_ecall_time_handler(unsigned long extid, unsigned long funcid, - unsigned long *args, unsigned long *out_val, + const struct sbi_trap_regs *regs, + unsigned long *out_val, struct sbi_trap_info *out_trap) { int ret = 0; if (funcid == SBI_EXT_TIME_SET_TIMER) { #if __riscv_xlen == 32 - sbi_timer_event_start((((u64)args[1] << 32) | (u64)args[0])); + sbi_timer_event_start((((u64)regs->a1 << 32) | (u64)regs->a0)); #else - sbi_timer_event_start((u64)args[0]); + sbi_timer_event_start((u64)regs->a0); #endif } else ret = SBI_ENOTSUPP; @@ -43,7 +45,8 @@ struct sbi_ecall_extension ecall_time = { }; static int sbi_ecall_rfence_handler(unsigned long extid, unsigned long funcid, - unsigned long *args, unsigned long *out_val, + const struct sbi_trap_regs *regs, + unsigned long *out_val, struct sbi_trap_info *out_trap) { int ret = 0; @@ -60,41 +63,41 @@ static int sbi_ecall_rfence_handler(unsigned long extid, unsigned long funcid, case SBI_EXT_RFENCE_REMOTE_FENCE_I: SBI_TLB_INFO_INIT(&tlb_info, 0, 0, 0, 0, SBI_ITLB_FLUSH, source_hart); - ret = sbi_tlb_request(args[0], args[1], &tlb_info); + ret = sbi_tlb_request(regs->a0, regs->a1, &tlb_info); break; case SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA: - SBI_TLB_INFO_INIT(&tlb_info, args[2], args[3], 0, 0, + SBI_TLB_INFO_INIT(&tlb_info, regs->a2, regs->a3, 0, 0, SBI_TLB_FLUSH_GVMA, source_hart); - ret = sbi_tlb_request(args[0], args[1], &tlb_info); + ret = sbi_tlb_request(regs->a0, regs->a1, &tlb_info); break; case SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID: - SBI_TLB_INFO_INIT(&tlb_info, args[2], args[3], 0, args[4], + SBI_TLB_INFO_INIT(&tlb_info, regs->a2, regs->a3, 0, regs->a4, SBI_TLB_FLUSH_GVMA_VMID, source_hart); - ret = sbi_tlb_request(args[0], args[1], &tlb_info); + ret = sbi_tlb_request(regs->a0, regs->a1, &tlb_info); break; case SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA: vmid = (csr_read(CSR_HGATP) & HGATP_VMID_MASK); vmid = vmid >> HGATP_VMID_SHIFT; - SBI_TLB_INFO_INIT(&tlb_info, args[2], args[3], 0, vmid, + SBI_TLB_INFO_INIT(&tlb_info, regs->a2, regs->a3, 0, vmid, SBI_TLB_FLUSH_VVMA, source_hart); - ret = sbi_tlb_request(args[0], args[1], &tlb_info); + ret = sbi_tlb_request(regs->a0, regs->a1, &tlb_info); break; case SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID: vmid = (csr_read(CSR_HGATP) & HGATP_VMID_MASK); vmid = vmid >> HGATP_VMID_SHIFT; - SBI_TLB_INFO_INIT(&tlb_info, args[2], args[3], args[4], vmid, - SBI_TLB_FLUSH_VVMA_ASID, source_hart); - ret = sbi_tlb_request(args[0], args[1], &tlb_info); + SBI_TLB_INFO_INIT(&tlb_info, regs->a2, regs->a3, regs->a4, + vmid, SBI_TLB_FLUSH_VVMA_ASID, source_hart); + ret = sbi_tlb_request(regs->a0, regs->a1, &tlb_info); break; case SBI_EXT_RFENCE_REMOTE_SFENCE_VMA: - SBI_TLB_INFO_INIT(&tlb_info, args[2], args[3], 0, 0, + SBI_TLB_INFO_INIT(&tlb_info, regs->a2, regs->a3, 0, 0, SBI_TLB_FLUSH_VMA, source_hart); - ret = sbi_tlb_request(args[0], args[1], &tlb_info); + ret = sbi_tlb_request(regs->a0, regs->a1, &tlb_info); break; case SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID: - SBI_TLB_INFO_INIT(&tlb_info, args[2], args[3], args[4], 0, + SBI_TLB_INFO_INIT(&tlb_info, regs->a2, regs->a3, regs->a4, 0, SBI_TLB_FLUSH_VMA_ASID, source_hart); - ret = sbi_tlb_request(args[0], args[1], &tlb_info); + ret = sbi_tlb_request(regs->a0, regs->a1, &tlb_info); break; default: ret = SBI_ENOTSUPP; @@ -110,13 +113,14 @@ struct sbi_ecall_extension ecall_rfence = { }; static int sbi_ecall_ipi_handler(unsigned long extid, unsigned long funcid, - unsigned long *args, unsigned long *out_val, + const struct sbi_trap_regs *regs, + unsigned long *out_val, struct sbi_trap_info *out_trap) { int ret = 0; if (funcid == SBI_EXT_IPI_SEND_IPI) - ret = sbi_ipi_send_smode(args[0], args[1]); + ret = sbi_ipi_send_smode(regs->a0, regs->a1); else ret = SBI_ENOTSUPP; @@ -130,15 +134,16 @@ struct sbi_ecall_extension ecall_ipi = { }; static int sbi_ecall_srst_handler(unsigned long extid, unsigned long funcid, - unsigned long *args, unsigned long *out_val, + const struct sbi_trap_regs *regs, + unsigned long *out_val, struct sbi_trap_info *out_trap) { if (funcid == SBI_EXT_SRST_RESET) { - if ((((u32)-1U) <= ((u64)args[0])) || - (((u32)-1U) <= ((u64)args[1]))) + if ((((u32)-1U) <= ((u64)regs->a0)) || + (((u32)-1U) <= ((u64)regs->a1))) return SBI_EINVAL; - switch (args[0]) { + switch (regs->a0) { case SBI_SRST_RESET_TYPE_SHUTDOWN: case SBI_SRST_RESET_TYPE_COLD_REBOOT: case SBI_SRST_RESET_TYPE_WARM_REBOOT: @@ -147,7 +152,7 @@ static int sbi_ecall_srst_handler(unsigned long extid, unsigned long funcid, return SBI_ENOTSUPP; } - switch (args[1]) { + switch (regs->a1) { case SBI_SRST_RESET_REASON_NONE: case SBI_SRST_RESET_REASON_SYSFAIL: break; @@ -155,8 +160,8 @@ static int sbi_ecall_srst_handler(unsigned long extid, unsigned long funcid, return SBI_ENOTSUPP; } - if (sbi_system_reset_supported(args[0], args[1])) - sbi_system_reset(args[0], args[1]); + if (sbi_system_reset_supported(regs->a0, regs->a1)) + sbi_system_reset(regs->a0, regs->a1); } return SBI_ENOTSUPP; |