3rd-party/linux-kernel-module-cheat
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fix arm timer baremetal!

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This commit is contained in:
Ciro Santilli 六四事件 法轮功
2019-08-06 00:00:00 +00:00
parent b22c628c04
commit 84f88e5770
5 changed files with 53 additions and 20 deletions
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6
lkmc/aarch64.h
View File

@@ -293,9 +293,9 @@ typedef struct {
void lkmc_vector_trap_handler(LkmcVectorExceptionFrame *exception);
/* Mistc assembly instructions. */
#define LKMC_SVC(immediate) __asm__ __volatile__("svc " #immediate : : : )
#define LKMC_WFI() __asm__ __volatile__ ("wfi" : : : "memory")
/* Misc assembly instructions. */
#define lkmc_svc(immediate) __asm__ __volatile__("svc " #immediate : : : )
#define lkmc_wfi() __asm__ __volatile__ ("wfi" : : : "memory")
/* Sysreg read and write functions, e.g.:
*

9
lkmc/gicv3.h
View File

@@ -286,8 +286,8 @@ void gic_v3_initialize(void) {
init_gicd();
init_gicc();
gicd_config(TIMER_IRQ, GIC_GICD_ICFGR_EDGE);
gicd_set_priority(TIMER_IRQ, 0 << GIC_PRI_SHIFT ); /* Set priority */
gicd_set_target(TIMER_IRQ, 0x1); /* processor 0 */
gicd_set_priority(TIMER_IRQ, 0 << GIC_PRI_SHIFT);
gicd_set_target(TIMER_IRQ, 0x1); /* processor 0 */
gicd_clear_pending(TIMER_IRQ);
gicd_enable_int(TIMER_IRQ);
}
@@ -296,6 +296,7 @@ void gic_v3_initialize(void) {
/* Find pending IRQ
* @param[in] exc An exception frame
* @param[in,out] irqp An IRQ number to be processed
* @return 0 if found, 1 if not found
*/
int gic_v3_find_pending_irq(
LkmcVectorExceptionFrame *exc __attribute__((unused)),
@@ -305,12 +306,12 @@ int gic_v3_find_pending_irq(
irq_no i;
for (i = 0; GIC_INT_MAX > i; ++i) {
if (gicd_probe_pending(i)) {
rc = 1;
rc = 0;
*irqp = i;
goto found;
}
}
rc = 0;
rc = 1;
found:
return rc;
}