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Fixed linkage bug 

With the new version of GCC(10.1.0) there was a problem about a
variable definition.
This commit is contained in:
ice-bit 2020-07-06 12:34:55 +02:00
parent 75a597401c
commit 2c59006854
2 changed files with 3 additions and 4 deletions
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3
kernel/drivers/timer.c
View File

@ -6,7 +6,6 @@
// Start tick at zero // Start tick at zero
uint32_t tick = 0; uint32_t tick = 0;
static void timer_callback(registers_t regs) { static void timer_callback(registers_t regs) {
tick++; tick++;
/* uint8_t buf[8]; /* uint8_t buf[8];
@ -37,4 +36,4 @@ void init_timer(uint32_t frequency) {
// Send the frequency divisor // Send the frequency divisor
outb(0x40, low); outb(0x40, low);
outb(0x40, high); outb(0x40, high);
} }

4
kernel/drivers/timer.h
View File

@ -31,11 +31,11 @@
*/ */
void init_timer(uint32_t frequency); void init_timer(uint32_t frequency);
uint32_t tick; extern uint32_t tick;
/* Since regs parameter(from timer_callback) will be unused /* Since regs parameter(from timer_callback) will be unused
* GCC(with -Werror flag) will throw an error, so we can avoid this * GCC(with -Werror flag) will throw an error, so we can avoid this
* using the following macro * using the following macro
*/ */
#define UNUSED_PAR(x) (void)(x) #define UNUSED_PAR(x) (void)(x)
#endif #endif