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RISC-V: Add stubs for sbi_console_putchar/getchar()

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The functions sbi_console_putchar() and sbi_console_getchar() are
not defined when CONFIG_RISCV_SBI_V01 is disabled so let us add
stub of these functions to avoid "#ifdef" on user side.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20231124070905.1043092-2-apatel@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Anup Patel
2023-11-24 12:39:01 +05:30
committed by Palmer Dabbelt
parent b85ea95d08
commit f503b167b6
1 changed files with 5 additions and 0 deletions
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5
arch/riscv/include/asm/sbi.h
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@@ -271,8 +271,13 @@ struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0,
unsigned long arg3, unsigned long arg4,
unsigned long arg5);
#ifdef CONFIG_RISCV_SBI_V01
void sbi_console_putchar(int ch);
int sbi_console_getchar(void);
#else
static inline void sbi_console_putchar(int ch) { }
static inline int sbi_console_getchar(void) { return -ENOENT; }
#endif
long sbi_get_mvendorid(void);
long sbi_get_marchid(void);
long sbi_get_mimpid(void);