Mirrors/libhermit
1
0
Fork 0
mirror of https://github.com/hermitcore/libhermit.git synced 2025-03-09 00:00:03 +01:00
Code Issues Releases Wiki Activity

only the multi-kernel version supports the kernel message buffer

Browse source 
=> remove dumping messages for the single-kernel version
This commit is contained in:
Stefan Lankes 2018-04-28 10:21:53 +02:00
parent f11c948347
commit c5ecc2beec
1 changed files with 18 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
libkern/stdio.c
View file

@ -52,34 +52,38 @@ spinlock_irqsave_t stdio_lock = SPINLOCK_IRQSAVE_INIT;
int kputchar(int c)
{
int pos;
/* add place holder for end of string */
if (BUILTIN_EXPECT(!c, 0))
c = '?';
pos = atomic_int32_inc(&kmsg_counter);
kmessages[pos % KMSG_SIZE] = (unsigned char) c;
if (is_single_kernel())
if (is_single_kernel()) {
uart_putchar(c);
} else {
int pos = atomic_int32_inc(&kmsg_counter);
kmessages[pos % KMSG_SIZE] = (unsigned char) c;
}
return 1;
}
int kputs(const char *str)
{
int pos, i, len = strlen(str);
int len;
spinlock_irqsave_lock(&stdio_lock);
for(i=0; i<len; i++) {
if (is_single_kernel()) {
len = uart_puts(str);
} else {
int pos;
len = strlen(str);
for(int i=0; i<len; i++) {
pos = atomic_int32_inc(&kmsg_counter);
kmessages[pos % KMSG_SIZE] = str[i];
}
if (is_single_kernel())
uart_puts(str);
}
spinlock_irqsave_unlock(&stdio_lock);