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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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