On 5/1/23 22:19, Evgeny Iakovlev wrote:
Windows open(2) implementations opens files in text mode by default and
needs a Windows-only O_BINARY flag to open files as binary. Qemu already
s/Qemu/QEMU/
knows about that flag in osdep.h, so we can just add it to the
host_flags for better compatibility when running qemu on Windows.
s/qemu/QEMU/
Signed-off-by: Evgeny Iakovlev <eiakov...@linux.microsoft.com>
---
semihosting/syscalls.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/semihosting/syscalls.c b/semihosting/syscalls.c
index 508a0ad88c..00f77507e5 100644
--- a/semihosting/syscalls.c
+++ b/semihosting/syscalls.c
@@ -278,6 +278,8 @@ static void host_open(CPUState *cs, gdb_syscall_complete_cb
complete,
host_flags |= O_EXCL;
}
+ host_flags |= O_BINARY;
+
ret = open(p, host_flags, mode);
if (ret < 0) {
complete(cs, -1, errno);
Alternatively with more churn:
-- >8 --
diff --git a/semihosting/syscalls.c b/semihosting/syscalls.c
index 508a0ad88c..b621d78c2d 100644
--- a/semihosting/syscalls.c
+++ b/semihosting/syscalls.c
@@ -253,7 +253,7 @@ static void host_open(CPUState *cs,
gdb_syscall_complete_cb complete,
{
CPUArchState *env G_GNUC_UNUSED = cs->env_ptr;
char *p;
- int ret, host_flags;
+ int ret, host_flags = O_BINARY;
ret = validate_lock_user_string(&p, cs, fname, fname_len);
if (ret < 0) {
@@ -262,11 +262,11 @@ static void host_open(CPUState *cs,
gdb_syscall_complete_cb complete,
}
if (gdb_flags & GDB_O_WRONLY) {
- host_flags = O_WRONLY;
+ host_flags |= O_WRONLY;
} else if (gdb_flags & GDB_O_RDWR) {
- host_flags = O_RDWR;
+ host_flags |= O_RDWR;
} else {
- host_flags = O_RDONLY;
+ host_flags |= O_RDONLY;
}
if (gdb_flags & GDB_O_CREAT) {
host_flags |= O_CREAT;
---
Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
