forked from Mirrors/opensbi
7487116b41
We remove mcause, scratch and hartid parameters from various functions for ecall handling because we can always get current HART id and current scratch pointer using just one CSR access. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Atish Patra <atish.patra@wdc.com>
39 lines
1011 B
C
39 lines
1011 B
C
/*
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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(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_thishart_ptr(),
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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(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_thishart_ptr(),
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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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