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https://github.com/riscv-software-src/opensbi
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dbff3e9f12
This patch introduces new sbi_dprintf() API for runtime debug prints. The sbi_dprintf() will print to console for a given HART only when SBI_SCRATCH_DEBUG_PRINTS option in enabled in sbi_scratch for this HART. We can now add debug prints using sbi_dprintf() at important places in OpenSBI sources. These debug prints will only show up when previous booting stage or compile time parameter sets the SBI_SCRATCH_DEBUG_PRINTS option in scratch space. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
41 lines
865 B
C
41 lines
865 B
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_CONSOLE_H__
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#define __SBI_CONSOLE_H__
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#include <sbi/sbi_types.h>
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#define __printf(a, b) __attribute__((format(printf, a, b)))
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bool sbi_isprintable(char ch);
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int sbi_getc(void);
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void sbi_putc(char ch);
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void sbi_puts(const char *str);
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void sbi_gets(char *s, int maxwidth, char endchar);
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int __printf(2, 3) sbi_sprintf(char *out, const char *format, ...);
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int __printf(3, 4) sbi_snprintf(char *out, u32 out_sz, const char *format, ...);
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int __printf(1, 2) sbi_printf(const char *format, ...);
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struct sbi_scratch;
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int __printf(2, 3) sbi_dprintf(struct sbi_scratch *scratch,
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const char *format, ...);
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int sbi_console_init(struct sbi_scratch *scratch);
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#endif
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