kernel/arm64: reuse existing GICv2 driver

Change-Id: I68d6978d1f4c3bf8d5d53674f794948a9771729b
Reviewed-on: https://review.haiku-os.org/c/haiku/+/5276
Tested-by: Commit checker robot <[email protected]>
Reviewed-by: Adrien Destugues <[email protected]>

src/system/kernel/arch/arm64/Jamfile

@@ -23,7 +23,7 @@ KernelMergeObject kernel_arch_arm64.o :
 	arch_real_time_clock.cpp
 	arch_platform.cpp
 	arch_asm.S
-
+	arch_int_gicv2.cpp
 	soc.cpp
 
 	VMSAv8TranslationMap.cpp

src/system/kernel/arch/arm64/arch_int.cpp

@@ -24,6 +24,7 @@
 #include <string.h>
 
 #include "soc.h"
+#include "arch_int_gicv2.h"
 
 #define TRACE_ARCH_INT
 #ifdef TRACE_ARCH_INT
@@ -36,12 +37,18 @@
 void
 arch_int_enable_io_interrupt(int irq)
 {
+	InterruptController *ic = InterruptController::Get();
+	if (ic != NULL)
+		ic->EnableInterrupt(irq);
 }
 
 
 void
 arch_int_disable_io_interrupt(int irq)
 {
+	InterruptController *ic = InterruptController::Get();
+	if (ic != NULL)
+		ic->DisableInterrupt(irq);
 }
 
 
@@ -64,6 +71,16 @@ arch_int_init(kernel_args *args)
 status_t
 arch_int_init_post_vm(kernel_args *args)
 {
+	InterruptController *ic = NULL;
+	if (strcmp(args->arch_args.interrupt_controller.kind, INTC_KIND_GICV2) == 0) {
+		ic = new(std::nothrow) GICv2InterruptController(
+			args->arch_args.interrupt_controller.regs1.start,
+			args->arch_args.interrupt_controller.regs2.start);
+	}
+
+	if (ic == NULL)
+		return B_ERROR;
+
 	return B_OK;
 }