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semihosting: Remove qemu_semihosting_console_outs

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This function has been replaced by *_write.

Reviewed-by: Luc Michel <lmichel@kalray.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-05-01 18:04:27 -07:00
parent 7281550cfb
commit 2d010c2719
3 changed files with 0 additions and 79 deletions
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13
include/semihosting/console.h
View File

@ -11,19 +11,6 @@
#include "cpu.h"
/**
* qemu_semihosting_console_outs:
* @env: CPUArchState
* @s: host address of null terminated guest string
*
* Send a null terminated guest string to the debug console. This may
* be the remote gdb session if a softmmu guest is currently being
* debugged.
*
* Returns: number of bytes written.
*/
int qemu_semihosting_console_outs(CPUArchState *env, target_ulong s);
/**
* qemu_semihosting_console_read:
* @cs: CPUState

17
linux-user/semihost.c
View File

@ -16,23 +16,6 @@
#include "user-internals.h"
#include <termios.h>
int qemu_semihosting_console_outs(CPUArchState *env, target_ulong addr)
{
int len = target_strlen(addr);
void *s;
if (len < 0){
qemu_log_mask(LOG_GUEST_ERROR,
"%s: passed inaccessible address " TARGET_FMT_lx,
__func__, addr);
return 0;
}
s = lock_user(VERIFY_READ, addr, (long)(len + 1), 1);
g_assert(s); /* target_strlen has already verified this will work */
len = write(STDERR_FILENO, s, len);
unlock_user(s, addr, 0);
return len;
}
/*
* For linux-user we can safely block. However as we want to return as
* soon as a character is read we need to tweak the termio to disable

49
semihosting/console.c
View File

@ -47,55 +47,6 @@ int qemu_semihosting_log_out(const char *s, int len)
}
}
/*
* A re-implementation of lock_user_string that we can use locally
* instead of relying on softmmu-semi. Hopefully we can deprecate that
* in time. Copy string until we find a 0 or address error.
*/
static GString *copy_user_string(CPUArchState *env, target_ulong addr)
{
CPUState *cpu = env_cpu(env);
GString *s = g_string_sized_new(128);
uint8_t c;
do {
if (cpu_memory_rw_debug(cpu, addr++, &c, 1, 0) == 0) {
if (c) {
s = g_string_append_c(s, c);
}
} else {
qemu_log_mask(LOG_GUEST_ERROR,
"%s: passed inaccessible address " TARGET_FMT_lx,
__func__, addr);
break;
}
} while (c!=0);
return s;
}
static void semihosting_cb(CPUState *cs, uint64_t ret, int err)
{
if (err) {
qemu_log("%s: gdb console output failed (%d)\n", __func__, err);
}
}
int qemu_semihosting_console_outs(CPUArchState *env, target_ulong addr)
{
GString *s = copy_user_string(env, addr);
int out = s->len;
if (use_gdb_syscalls()) {
gdb_do_syscall(semihosting_cb, "write,2,%x,%x", addr, s->len);
} else {
out = qemu_semihosting_log_out(s->str, s->len);
}
g_string_free(s, true);
return out;
}
#define FIFO_SIZE 1024
static int console_can_read(void *opaque)