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lib: sbi_ecall: Split up sbi_ecall_replace
Split up sbi_ecall_replace so that each extension is in its individual file. Also reorganize the corresponding section in lib/sbi/objects.mk so that it is grouped by extension, now that the object file targets are split up. Signed-off-by: Vivian Wang <dramforever@live.com> Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Vivian Wang
Anup Patel
parent
7b29264f11
commit
14f5c4cb4d
5 changed files with 173 additions and 130 deletions
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@ -17,20 +17,30 @@ libsbi-objs-y += sbi_ecall_exts.o
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# The order of below extensions is performance optimized
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_TIME) += ecall_time
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_RFENCE) += ecall_rfence
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_IPI) += ecall_ipi
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carray-sbi_ecall_exts-y += ecall_base
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_HSM) += ecall_hsm
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_SRST) += ecall_srst
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_PMU) += ecall_pmu
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_LEGACY) += ecall_legacy
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_VENDOR) += ecall_vendor
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libsbi-objs-$(CONFIG_SBI_ECALL_TIME) += sbi_ecall_time.o
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_RFENCE) += ecall_rfence
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libsbi-objs-$(CONFIG_SBI_ECALL_RFENCE) += sbi_ecall_rfence.o
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_IPI) += ecall_ipi
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libsbi-objs-$(CONFIG_SBI_ECALL_IPI) += sbi_ecall_ipi.o
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carray-sbi_ecall_exts-y += ecall_base
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libsbi-objs-y += sbi_ecall_base.o
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_HSM) += ecall_hsm
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libsbi-objs-$(CONFIG_SBI_ECALL_HSM) += sbi_ecall_hsm.o
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libsbi-objs-$(CONFIG_SBI_ECALL_LEGACY) += sbi_ecall_legacy.o
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_SRST) += ecall_srst
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libsbi-objs-$(CONFIG_SBI_ECALL_SRST) += sbi_ecall_srst.o
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_PMU) += ecall_pmu
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libsbi-objs-$(CONFIG_SBI_ECALL_PMU) += sbi_ecall_pmu.o
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libsbi-objs-y += sbi_ecall_replace.o
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_LEGACY) += ecall_legacy
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libsbi-objs-$(CONFIG_SBI_ECALL_LEGACY) += sbi_ecall_legacy.o
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carray-sbi_ecall_exts-$(CONFIG_SBI_ECALL_VENDOR) += ecall_vendor
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libsbi-objs-$(CONFIG_SBI_ECALL_VENDOR) += sbi_ecall_vendor.o
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libsbi-objs-y += sbi_bitmap.o
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36
lib/sbi/sbi_ecall_ipi.c
Normal file
36
lib/sbi/sbi_ecall_ipi.c
Normal file
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@ -0,0 +1,36 @@
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/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Anup Patel <anup.patel@wdc.com>
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* Atish Patra <atish.patra@wdc.com>
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*/
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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_trap.h>
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#include <sbi/sbi_ipi.h>
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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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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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return ret;
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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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@ -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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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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return ret;
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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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#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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#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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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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return ret;
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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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#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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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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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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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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}
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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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* 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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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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*out_val = (count) ? 1 : 0;
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return 0;
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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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75
lib/sbi/sbi_ecall_srst.c
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75
lib/sbi/sbi_ecall_srst.c
Normal file
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@ -0,0 +1,75 @@
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/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Anup Patel <anup.patel@wdc.com>
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* Atish Patra <atish.patra@wdc.com>
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*/
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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_trap.h>
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#include <sbi/sbi_system.h>
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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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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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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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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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}
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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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* 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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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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*out_val = (count) ? 1 : 0;
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return 0;
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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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40
lib/sbi/sbi_ecall_time.c
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40
lib/sbi/sbi_ecall_time.c
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@ -0,0 +1,40 @@
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/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Anup Patel <anup.patel@wdc.com>
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* Atish Patra <atish.patra@wdc.com>
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*/
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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_trap.h>
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#include <sbi/sbi_timer.h>
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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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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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return ret;
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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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