From 7668a27f1d3bced1b6f4b9727cc80dc769a19d8e Mon Sep 17 00:00:00 2001
From: bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Wed, 23 Nov 2005 21:13:45 +0000
Subject: [PATCH] openpic SMP support (Jocelyn Mayer)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1655 c046a42c-6fe2-441c-8c8c-71466251a162
---
 hw/openpic.c  | 13 +++++++------
 hw/ppc_chrp.c |  2 +-
 vl.h          |  3 ++-
 3 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/hw/openpic.c b/hw/openpic.c
index 8068e7e590..31773373ac 100644
--- a/hw/openpic.c
+++ b/hw/openpic.c
@@ -159,7 +159,7 @@ typedef struct IRQ_dst_t {
     uint32_t pcsr; /* CPU sensitivity register */
     IRQ_queue_t raised;
     IRQ_queue_t servicing;
-    CPUState *env; /* Needed if we did SMP */
+    CPUState *env;
 } IRQ_dst_t;
 
 struct openpic_t {
@@ -265,8 +265,7 @@ static void IRQ_local_pipe (openpic_t *opp, int n_CPU, int n_IRQ)
     if (priority > dst->raised.priority) {
         IRQ_get_next(opp, &dst->raised);
         DPRINTF("Raise CPU IRQ\n");
-        /* XXX: choose the correct cpu */
-        cpu_interrupt(first_cpu, CPU_INTERRUPT_HARD);
+        cpu_interrupt(dst->env, CPU_INTERRUPT_HARD);
     }
 }
 
@@ -782,8 +781,7 @@ static void openpic_cpu_write (void *opaque, uint32_t addr, uint32_t val)
 	    src = &opp->src[n_IRQ];
 	    if (IPVP_PRIORITY(src->ipvp) > dst->servicing.priority) {
                 DPRINTF("Raise CPU IRQ\n");
-                /* XXX: choose cpu */
-                cpu_interrupt(first_cpu, CPU_INTERRUPT_HARD);
+                cpu_interrupt(dst->env, CPU_INTERRUPT_HARD);
             }
 	}
 	break;
@@ -965,7 +963,8 @@ static void openpic_map(PCIDevice *pci_dev, int region_num,
 #endif
 }
 
-openpic_t *openpic_init (PCIBus *bus, int *pmem_index, int nb_cpus)
+openpic_t *openpic_init (PCIBus *bus, int *pmem_index, int nb_cpus,
+                         CPUPPCState **envp)
 {
     openpic_t *opp;
     uint8_t *pci_conf;
@@ -1019,6 +1018,8 @@ openpic_t *openpic_init (PCIBus *bus, int *pmem_index, int nb_cpus)
     for (; i < MAX_IRQ; i++) {
         opp->src[i].type = IRQ_INTERNAL;
     }
+    for (i = 0; i < nb_cpus; i++)
+        opp->dst[i].env = envp[i];
     openpic_reset(opp);
     if (pmem_index)
         *pmem_index = opp->mem_index;
diff --git a/hw/ppc_chrp.c b/hw/ppc_chrp.c
index 395dd7f73e..5187372c6b 100644
--- a/hw/ppc_chrp.c
+++ b/hw/ppc_chrp.c
@@ -474,7 +474,7 @@ static void ppc_chrp_init(int ram_size, int vga_ram_size, int boot_device,
         vga_initialize(pci_bus, ds, phys_ram_base + ram_size,
                        ram_size, vga_ram_size,
                        vga_bios_offset, vga_bios_size);
-        pic = openpic_init(NULL, &openpic_mem_index, 1);
+        pic = openpic_init(NULL, &openpic_mem_index, 1, &env);
         set_irq = openpic_set_irq;
         pci_set_pic(pci_bus, set_irq, pic);
 
diff --git a/vl.h b/vl.h
index fda99a7efd..2326c4c184 100644
--- a/vl.h
+++ b/vl.h
@@ -613,7 +613,8 @@ PCIBus *pci_apb_init(target_ulong special_base, target_ulong mem_base);
 /* openpic.c */
 typedef struct openpic_t openpic_t;
 void openpic_set_irq(void *opaque, int n_IRQ, int level);
-openpic_t *openpic_init (PCIBus *bus, int *pmem_index, int nb_cpus);
+openpic_t *openpic_init (PCIBus *bus, int *pmem_index, int nb_cpus,
+                         CPUState **envp);
 
 /* heathrow_pic.c */
 typedef struct HeathrowPICS HeathrowPICS;
-- 
2.11.0