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