diff mbox series

[PULL,10/28] target/mips: convert UHI_plog to use common semihosting code

Message ID 20190528094953.14898-11-alex.bennee@linaro.org
State Accepted
Commit 54eb6cda9ddd56270ec815ceb8079a913a07b98e
Headers show
Series testing/next (system tests, docker, iotests) | expand

Commit Message

Alex Bennée May 28, 2019, 9:49 a.m. UTC 
Rather than printing directly to stdout lets use our common
semihosting code. There is one minor difference in that the output
currently defaults to stderr instead of stdout however this can be
controlled by connecting semihosting to a chardev.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>


-- 
2.20.1
diff mbox series

Patch

diff --git a/target/mips/mips-semi.c b/target/mips/mips-semi.c
index eac8374fb34..35bdfd7c77e 100644
--- a/target/mips/mips-semi.c
+++ b/target/mips/mips-semi.c
@@ -23,6 +23,7 @@ 
 #include "exec/helper-proto.h"
 #include "exec/softmmu-semi.h"
 #include "hw/semihosting/semihost.h"
+#include "hw/semihosting/console.h"
 
 typedef enum UHIOp {
     UHI_exit = 1,
@@ -329,13 +330,12 @@  void helper_do_semihosting(CPUMIPSState *env)
         p2 = strstr(p, "%d");
         if (p2) {
             int char_num = p2 - p;
-            char *buf = g_malloc(char_num + 1);
-            strncpy(buf, p, char_num);
-            buf[char_num] = '\0';
-            gpr[2] = printf("%s%d%s", buf, (int)gpr[5], p2 + 2);
-            g_free(buf);
+            GString *s = g_string_new_len(p, char_num);
+            g_string_append_printf(s, "%d%s", (int)gpr[5], p2 + 2);
+            gpr[2] = qemu_semihosting_log_out(s->str, s->len);
+            g_string_free(s, true);
         } else {
-            gpr[2] = printf("%s", p);
+            gpr[2] = qemu_semihosting_log_out(p, strlen(p));
         }
         FREE_TARGET_STRING(p, gpr[4]);
         break;