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semihosting: enable chardev backed output for console

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It will be useful for a number of use-cases to be able to re-direct
output to a file like we do with serial output. This does the wiring
to allow us to treat then semihosting console like just another
character output device.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2019-05-14 15:30:14 +01:00
parent a331c6d774
commit 4e7f9032cf
6 changed files with 51 additions and 3 deletions
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9
hw/semihosting/console.c
View file

@ -17,13 +17,20 @@
#include "qemu/osdep.h"
#include "cpu.h"
#include "hw/semihosting/semihost.h"
#include "hw/semihosting/console.h"
#include "exec/gdbstub.h"
#include "qemu/log.h"
#include "chardev/char.h"
int qemu_semihosting_log_out(const char *s, int len)
{
return write(STDERR_FILENO, s, len);
Chardev *chardev = semihosting_get_chardev();
if (chardev) {
return qemu_chr_write_all(chardev, (uint8_t *) s, len);
} else {
return write(STDERR_FILENO, s, len);
}
}
/*