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https://github.com/riscv-software-src/opensbi.git
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20990ee0ab
This patch updates copyright header in all files as follows: 1. Makes "SPDX-License-Identifier: BSD-2-Clause" as first line 2. Change copyright year to 2019 for Western Digital Signed-off-by: Anup Patel <anup.patel@wdc.com>
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2019 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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*/
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#ifndef __SBI_ECALL_INTERFACE_H__
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#define __SBI_ECALL_INTERFACE_H__
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#define SBI_ECALL_SET_TIMER 0
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#define SBI_ECALL_CONSOLE_PUTCHAR 1
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#define SBI_ECALL_CONSOLE_GETCHAR 2
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#define SBI_ECALL_CLEAR_IPI 3
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#define SBI_ECALL_SEND_IPI 4
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#define SBI_ECALL_REMOTE_FENCE_I 5
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#define SBI_ECALL_REMOTE_SFENCE_VMA 6
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#define SBI_ECALL_REMOTE_SFENCE_VMA_ASID 7
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#define SBI_ECALL_SHUTDOWN 8
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#define SBI_ECALL(__num, __a0, __a1, __a2) ({ \
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register unsigned long a0 asm ("a0") = (unsigned long)(__a0); \
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register unsigned long a1 asm ("a1") = (unsigned long)(__a1); \
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register unsigned long a2 asm ("a2") = (unsigned long)(__a2); \
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register unsigned long a7 asm ("a7") = (unsigned long)(__num); \
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asm volatile ("ecall" \
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: "+r" (a0) \
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: "r" (a1), "r" (a2), "r" (a7) \
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: "memory"); \
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a0; \
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})
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#define SBI_ECALL_0(__num) SBI_ECALL(__num, 0, 0, 0)
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#define SBI_ECALL_1(__num, __a0) SBI_ECALL(__num, __a0, 0, 0)
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#define SBI_ECALL_2(__num, __a0, __a1) SBI_ECALL(__num, __a0, __a1, 0)
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#define sbi_ecall_console_putc(c) \
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SBI_ECALL_1(SBI_ECALL_CONSOLE_PUTCHAR, (c));
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static inline void sbi_ecall_console_puts(const char *str)
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{
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while (str && *str)
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sbi_ecall_console_putc(*str++);
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}
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#endif
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