semihosting: Remove qemu_semihosting_console_outs

This function has been replaced by *_write.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>

include/semihosting/console.h

@@ -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

linux-user/semihost.c

@@ -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

semihosting/console.c

@@ -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)