rework external irq system, introduce hierarchical irq

[lunaix-os.git] / lunaix-os / arch / x86 / exceptions / isrm.c

diff --git a/lunaix-os/arch/x86/exceptions/isrm.c b/lunaix-os/arch/x86/exceptions/isrm.c
index 86eec04593d45652d8cdae9885e01fe820be80b5..cd2d81bd6bb76578e5f37905521be8ffcf6340bb 100644 (file)
--- a/lunaix-os/arch/x86/exceptions/isrm.c
+++ b/lunaix-os/arch/x86/exceptions/isrm.c
@@ -1,9 +1,7 @@
 #include <lunaix/spike.h>
-#include <lunaix/device.h>
 #include <asm/x86_isrm.h>
 
 #include "asm/x86.h"
-#include "asm/soc/ioapic.h"
 #include "asm/soc/apic.h"
 
 /*
@@ -17,8 +15,6 @@ 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 struct hart_state* state);
 
@@ -95,21 +91,6 @@ isrm_ivfree(int iv)
     handlers[iv] = intr_routine_fallback;
 }
 
-int
-isrm_bindirq(int irq, isr_cb irq_handler)
-{
-    int iv;
-    if (!(iv = isrm_ivexalloc(irq_handler))) {
-        fail("out of IV resource.");
-        return 0; // never reach
-    }
-
-    // fixed, edge trigged, polarity=high
-    isrm_irq_attach(irq, iv, 0, IRQ_DEFAULT);
-
-    return iv;
-}
-
 void
 isrm_bindiv(int iv, isr_cb handler)
 {
@@ -145,95 +126,4 @@ 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);
-}
-
-msienv_t
-isrm_msi_start(struct device* dev)
-{
-    /*
-     *  In x86, the MSI topology is rather simple, as the only
-     *  source is the PCI itself, and the write destination is
-     *  explictly defined in specification, so we don't need the
-     *  msienv to hold dynamically probed address
-     */
-    return NULL;
-}
-
-int
-isrm_msi_avaliable(msienv_t msienv)
-{
-    return 1;
-}
-
-msi_vector_t
-isrm_msi_alloc(msienv_t msienv, cpu_t cpu, int index, isr_cb handler)
-{
-    unsigned int iv = isrm_ivexalloc(handler);
-
-    // we ignore the cpu redirection for now.
-    return (msi_vector_t){ 
-        .msi_addr  = __APIC_BASE_PADDR,
-        .msi_data  = iv,
-        .mapped_iv = iv
-    };
-}
-
-void
-isrm_msi_set_sideband(msienv_t msienv, ptr_t sideband)
-{
-    return;
-}
-
-void
-isrm_msi_done(msienv_t msienv)
-{
-    return;
-}
-
-
-
-int
-isrm_bind_dtn(struct dtn_intr* node)
-{
-    fail("not supported");
-}
-
-
-static int
-__intc_create(struct device_def* devdef, morph_t* obj)
-{
-    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;
-
-    return 0;
-}
-
-
-static struct device_def i386_intc = {
-    def_device_class(INTEL, CFG, INTC),
-    def_device_name("i386 apic"),
-    def_on_create(__intc_create)
-};
-EXPORT_DEVICE(i386_intc, &i386_intc, load_sysconf);
\ No newline at end of file
+}
\ No newline at end of file