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semihosting: Split out semihost_sys_flen

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The ARM-specific SYS_FLEN isn't really something that can be
reused by other semihosting apis, but there are parts that can
reused for the implementation of semihost_sys_fstat.

Reviewed-by: Luc Michel <lmichel@kalray.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-04-29 09:05:36 -07:00
parent a221247430
commit a6300ed6b7
3 changed files with 66 additions and 61 deletions
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4
include/semihosting/syscalls.h
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@ -45,4 +45,8 @@ void semihost_sys_lseek(CPUState *cs, gdb_syscall_complete_cb complete,
void semihost_sys_isatty(CPUState *cs, gdb_syscall_complete_cb complete,
int fd);
void semihost_sys_flen(CPUState *cs, gdb_syscall_complete_cb fstat_cb,
gdb_syscall_complete_cb flen_cb,
int fd, target_ulong fstat_addr);
#endif /* SEMIHOSTING_SYSCALLS_H */