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authorAndrew Waterman <andrew@sifive.com>2021-03-26 15:19:30 -0700
committerAndrew Waterman <andrew@sifive.com>2021-03-26 15:19:30 -0700
commit75bbd1ecfac34ed20f88234872f66d7f670da4d2 (patch)
treee4c0d427d630bbc951cfb4b374641fb509775e90 /pk
parent168c5cac036cbc92c86f947372441d58ca0d10f2 (diff)
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pk: support printk before file init
Diffstat (limited to 'pk')
-rw-r--r--pk/console.c4
-rw-r--r--pk/file.h3
2 files changed, 3 insertions, 4 deletions
diff --git a/pk/console.c b/pk/console.c
index 3d3edae..90742d1 100644
--- a/pk/console.c
+++ b/pk/console.c
@@ -4,6 +4,7 @@
#include "mmap.h"
#include "file.h"
#include "frontend.h"
+#include "bits.h"
#include <stdint.h>
#include <stdarg.h>
@@ -11,7 +12,8 @@ static void vprintk(const char* s, va_list vl)
{
char out[256]; // XXX
int res = vsnprintf(out, sizeof(out), s, vl);
- file_write(stderr, out, res < sizeof(out) ? res : sizeof(out));
+ int size = MIN(res, sizeof(out));
+ frontend_syscall(SYS_write, 2, kva2pa(out), size, 0, 0, 0, 0);
}
void printk(const char* s, ...)
diff --git a/pk/file.h b/pk/file.h
index 2dd7798..7386026 100644
--- a/pk/file.h
+++ b/pk/file.h
@@ -14,9 +14,6 @@ typedef struct file
} file_t;
extern file_t files[];
-#define stdin (files + 0)
-#define stdout (files + 1)
-#define stderr (files + 2)
file_t* file_get(int fd);
file_t* file_open(const char* fn, int flags, int mode);