Decoupling Architectural-specific Code (#35)

[lunaix-os.git] / lunaix-os / arch / i386 / exceptions / i386_isrm.c

diff --git a/lunaix-os/arch/i386/exceptions/i386_isrm.c b/lunaix-os/arch/i386/exceptions/i386_isrm.c
index 1d5950ef37e1a4c12d023cf41c6722b29656a5b0..89ff616bd0f9b9d0ef4a7b0698f6483329f46ecb 100644 (file)
--- a/lunaix-os/arch/i386/exceptions/i386_isrm.c
+++ b/lunaix-os/arch/i386/exceptions/i386_isrm.c
@@ -1,7 +1,10 @@
-#include <lunaix/isrm.h>
+#include <lunaix/generic/isrm.h>
 #include <lunaix/spike.h>
+#include <lunaix/owloysius.h>
 
-#include <hal/intc.h>
+#include "sys/x86_isa.h"
+#include "sys/ioapic.h"
+#include "sys/apic.h"
 
 /*
     total: 256 ivs
@@ -12,9 +15,12 @@
 
 static char iv_bmp[(IV_EX_END - IV_BASE_END) / 8];
 static isr_cb handlers[TOTAL_IV];
+static ptr_t ivhand_payload[TOTAL_IV];
+
+static struct x86_intc arch_intc_ctx;
 
 extern void
-intr_routine_fallback(const isr_param* param);
+intr_routine_fallback(const struct hart_state* state);
 
 void
 isrm_init()
@@ -89,12 +95,12 @@ isrm_bindirq(int irq, isr_cb irq_handler)
 {
     int iv;
     if (!(iv = isrm_ivexalloc(irq_handler))) {
-        panickf("out of IV resource. (irq=%d)", irq);
+        fail("out of IV resource.");
         return 0; // never reach
     }
 
     // fixed, edge trigged, polarity=high
-    intc_irq_attach(irq, iv, 0, IRQ_DEFAULT);
+    isrm_irq_attach(irq, iv, 0, IRQ_DEFAULT);
 
     return iv;
 }
@@ -117,4 +123,52 @@ isrm_get(int iv)
     assert(iv < 256);
 
     return handlers[iv];
-}
\ No newline at end of file
+}
+
+ptr_t
+isrm_get_payload(const struct hart_state* state)
+{
+    int iv = state->execp->vector;
+    assert(iv < 256);
+
+    return ivhand_payload[iv];
+}
+
+void
+isrm_set_payload(int iv, ptr_t payload)
+{
+    assert(iv < 256);
+
+    ivhand_payload[iv] = payload;
+}
+
+void
+isrm_irq_attach(int irq, int iv, cpu_t dest, u32_t flags)
+{
+    arch_intc_ctx.irq_attach(&arch_intc_ctx, irq, iv, dest, flags);
+}
+
+void
+isrm_notify_eoi(cpu_t id, int iv)
+{
+    arch_intc_ctx.notify_eoi(&arch_intc_ctx, id, iv);
+}
+
+void
+isrm_notify_eos(cpu_t id)
+{
+    isrm_notify_eoi(id, LUNAIX_SCHED);
+}
+
+
+static void
+__intc_init()
+{
+    apic_init();
+    ioapic_init();
+
+    arch_intc_ctx.name = "i386_apic";
+    arch_intc_ctx.irq_attach = ioapic_irq_remap;
+    arch_intc_ctx.notify_eoi = apic_on_eoi;
+}
+owloysius_fetch_init(__intc_init, on_earlyboot);
\ No newline at end of file