aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRichard Henderson <richard.henderson@linaro.org>2022-05-01 12:42:37 -0700
committerRichard Henderson <richard.henderson@linaro.org>2022-06-28 04:35:52 +0530
commitcd66f20f614bb492e4e5be11e4b65d58b4a046ca (patch)
tree52b91ede9cb6138a2629ee1d826af4a8ac2b3814
parentfb08790b35174a98301ecbac4d5234d0cbfebea0 (diff)
semihosting: Create qemu_semihosting_console_write
Will replace qemu_semihosting_console_{outs,outc}, but we need more plumbing first. Reviewed-by: Luc Michel <lmichel@kalray.eu> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--include/semihosting/console.h12
-rw-r--r--linux-user/semihost.c5
-rw-r--r--semihosting/console.c9
3 files changed, 26 insertions, 0 deletions
diff --git a/include/semihosting/console.h b/include/semihosting/console.h
index 39dbf1b062..6994f23c82 100644
--- a/include/semihosting/console.h
+++ b/include/semihosting/console.h
@@ -55,6 +55,18 @@ void qemu_semihosting_console_outc(CPUArchState *env, target_ulong c);
int qemu_semihosting_console_read(CPUState *cs, void *buf, int len);
/**
+ * qemu_semihosting_console_write:
+ * @buf: host buffer
+ * @len: buffer size
+ *
+ * Write len bytes from buf to the debug console.
+ *
+ * Returns: number of bytes written -- this should only ever be short
+ * on some sort of i/o error.
+ */
+int qemu_semihosting_console_write(void *buf, int len);
+
+/**
* qemu_semihosting_log_out:
* @s: pointer to string
* @len: length of string
diff --git a/linux-user/semihost.c b/linux-user/semihost.c
index 2029fb674c..871edf993a 100644
--- a/linux-user/semihost.c
+++ b/linux-user/semihost.c
@@ -76,3 +76,8 @@ int qemu_semihosting_console_read(CPUState *cs, void *buf, int len)
return ret;
}
+
+int qemu_semihosting_console_write(void *buf, int len)
+{
+ return fwrite(buf, 1, len, stderr);
+}
diff --git a/semihosting/console.c b/semihosting/console.c
index 1d16a290c4..540aa0cd4b 100644
--- a/semihosting/console.c
+++ b/semihosting/console.c
@@ -169,6 +169,15 @@ int qemu_semihosting_console_read(CPUState *cs, void *buf, int len)
return ret;
}
+int qemu_semihosting_console_write(void *buf, int len)
+{
+ if (console.chr) {
+ return qemu_chr_write_all(console.chr, (uint8_t *)buf, len);
+ } else {
+ return fwrite(buf, 1, len, stderr);
+ }
+}
+
void qemu_semihosting_console_init(Chardev *chr)
{
console.chr = chr;