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@@ -9,44 +9,12 @@
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*/
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#include <sbi/riscv_asm.h>
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+#include <sbi/sbi_error.h>
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#include <sbi/sbi_ecall.h>
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#include <sbi/sbi_ecall_interface.h>
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-#include <sbi/sbi_error.h>
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-#include <sbi/sbi_hart.h>
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-#include <sbi/sbi_ipi.h>
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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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+#include <sbi/sbi_tlb.h>
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-#ifdef CONFIG_SBI_ECALL_TIME
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-static int sbi_ecall_time_handler(unsigned long extid, unsigned long funcid,
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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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-
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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)regs->a1 << 32) | (u64)regs->a0));
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-#else
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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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-
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- return ret;
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-}
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-
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-struct sbi_ecall_extension ecall_time = {
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- .extid_start = SBI_EXT_TIME,
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- .extid_end = SBI_EXT_TIME,
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- .handle = sbi_ecall_time_handler,
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-};
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-#endif
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-
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-#ifdef CONFIG_SBI_ECALL_RFENCE
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static int sbi_ecall_rfence_handler(unsigned long extid, unsigned long funcid,
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const struct sbi_trap_regs *regs,
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unsigned long *out_val,
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@@ -116,89 +84,3 @@ struct sbi_ecall_extension ecall_rfence = {
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.extid_end = SBI_EXT_RFENCE,
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.handle = sbi_ecall_rfence_handler,
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};
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-#endif
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-
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-#ifdef CONFIG_SBI_ECALL_IPI
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-static int sbi_ecall_ipi_handler(unsigned long extid, unsigned long funcid,
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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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-
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- if (funcid == SBI_EXT_IPI_SEND_IPI)
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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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-
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- return ret;
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-}
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-
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-struct sbi_ecall_extension ecall_ipi = {
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- .extid_start = SBI_EXT_IPI,
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- .extid_end = SBI_EXT_IPI,
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- .handle = sbi_ecall_ipi_handler,
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-};
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-#endif
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-
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-#ifdef CONFIG_SBI_ECALL_SRST
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-static int sbi_ecall_srst_handler(unsigned long extid, unsigned long funcid,
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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)regs->a0)) ||
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- (((u32)-1U) <= ((u64)regs->a1)))
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- return SBI_EINVAL;
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-
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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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- break;
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- default:
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- return SBI_EINVAL;
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- }
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-
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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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- default:
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- return SBI_EINVAL;
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- }
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-
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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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-
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- return SBI_ENOTSUPP;
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-}
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-
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-static int sbi_ecall_srst_probe(unsigned long extid, unsigned long *out_val)
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-{
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- u32 type, count = 0;
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-
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- /*
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- * At least one standard reset types should be supported by
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- * the platform for SBI SRST extension to be usable.
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- */
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-
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- for (type = 0; type <= SBI_SRST_RESET_TYPE_LAST; type++) {
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- if (sbi_system_reset_supported(type,
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- SBI_SRST_RESET_REASON_NONE))
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- count++;
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- }
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-
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- *out_val = (count) ? 1 : 0;
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- return 0;
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-}
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-
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-struct sbi_ecall_extension ecall_srst = {
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- .extid_start = SBI_EXT_SRST,
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- .extid_end = SBI_EXT_SRST,
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- .handle = sbi_ecall_srst_handler,
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- .probe = sbi_ecall_srst_probe,
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-};
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-#endif
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