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lib: Factor-out SBI vendor extension
This patch factor-out SBI vendor extension into its own source for better modularity of SBI implementation. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Atish Patra <atish.patra@wdc.com>
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parent
161b348e7e
commit
43ac621ecb
4 changed files with 44 additions and 27 deletions
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@ -33,6 +33,7 @@ extern struct sbi_ecall_extension ecall_legacy;
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extern struct sbi_ecall_extension ecall_time;
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extern struct sbi_ecall_extension ecall_rfence;
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extern struct sbi_ecall_extension ecall_ipi;
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extern struct sbi_ecall_extension ecall_vendor;
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u16 sbi_ecall_version_major(void);
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@ -16,6 +16,7 @@ libsbi-objs-y += sbi_console.o
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libsbi-objs-y += sbi_ecall.o
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libsbi-objs-y += sbi_ecall_legacy.o
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libsbi-objs-y += sbi_ecall_replace.o
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libsbi-objs-y += sbi_ecall_vendor.o
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libsbi-objs-y += sbi_emulate_csr.o
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libsbi-objs-y += sbi_fifo.o
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libsbi-objs-y += sbi_hfence.o
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@ -10,8 +10,9 @@
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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_platform.h>
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#include <sbi/sbi_trap.h>
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#include <sbi/sbi_version.h>
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#include <sbi/riscv_asm.h>
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#define SBI_ECALL_VERSION_MAJOR 0
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#define SBI_ECALL_VERSION_MINOR 2
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@ -92,32 +93,6 @@ static struct sbi_ecall_extension ecall_base = {
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.handle = sbi_ecall_base_handler,
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};
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static int sbi_ecall_vendor_probe(struct sbi_scratch *scratch,
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unsigned long extid,
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unsigned long *out_val)
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{
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*out_val = sbi_platform_vendor_ext_check(sbi_platform_ptr(scratch),
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extid);
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return 0;
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}
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static int sbi_ecall_vendor_handler(struct sbi_scratch *scratch,
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unsigned long extid, unsigned long funcid,
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unsigned long *args, unsigned long *out_val,
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struct sbi_trap_info *out_trap)
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{
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return sbi_platform_vendor_ext_provider(sbi_platform_ptr(scratch),
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extid, funcid, args,
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out_val, out_trap);
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}
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static struct sbi_ecall_extension ecall_vendor = {
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.extid_start = SBI_EXT_VENDOR_START,
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.extid_end = SBI_EXT_VENDOR_END,
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.probe = sbi_ecall_vendor_probe,
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.handle = sbi_ecall_vendor_handler,
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};
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static SBI_LIST_HEAD(ecall_exts_list);
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struct sbi_ecall_extension *sbi_ecall_find_extension(unsigned long extid)
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40
lib/sbi/sbi_ecall_vendor.c
Normal file
40
lib/sbi/sbi_ecall_vendor.c
Normal file
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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_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_platform.h>
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static int sbi_ecall_vendor_probe(struct sbi_scratch *scratch,
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unsigned long extid,
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unsigned long *out_val)
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{
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*out_val = sbi_platform_vendor_ext_check(sbi_platform_ptr(scratch),
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extid);
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return 0;
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}
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static int sbi_ecall_vendor_handler(struct sbi_scratch *scratch,
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unsigned long extid, unsigned long funcid,
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unsigned long *args, unsigned long *out_val,
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struct sbi_trap_info *out_trap)
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{
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return sbi_platform_vendor_ext_provider(sbi_platform_ptr(scratch),
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extid, funcid, args,
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out_val, out_trap);
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}
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struct sbi_ecall_extension ecall_vendor = {
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.extid_start = SBI_EXT_VENDOR_START,
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.extid_end = SBI_EXT_VENDOR_END,
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.probe = sbi_ecall_vendor_probe,
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.handle = sbi_ecall_vendor_handler,
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};
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