[Qemu-devel] [PATCH 13/64] PPC: E500: Generate IRQ lines for many CPUs

[Alexander Graf]

Now that we can generate multiple envs for all our virtual CPUs, we
also need to tell the MPIC that we have multiple CPUs connected and
connect them all to the respective virtual interrupt lines.

Signed-off-by: Alexander Graf <ag...@suse.de>
---
 hw/ppce500_mpc8544ds.c |   17 ++++++++++++-----
 1 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/hw/ppce500_mpc8544ds.c b/hw/ppce500_mpc8544ds.c
index 8d05587..9cb01f3 100644
--- a/hw/ppce500_mpc8544ds.c
+++ b/hw/ppce500_mpc8544ds.c
@@ -237,7 +237,7 @@ static void mpc8544ds_init(ram_addr_t ram_size,
     target_long initrd_size=0;
     int i=0;
     unsigned int pci_irq_nrs[4] = {1, 2, 3, 4};
-    qemu_irq *irqs, *mpic;
+    qemu_irq **irqs, *mpic;
     DeviceState *dev;
     struct boot_info *boot_info;
     CPUState *firstenv = NULL;
@@ -247,6 +247,8 @@ static void mpc8544ds_init(ram_addr_t ram_size,
         cpu_model = "e500v2_v30";
     }
 
+    irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
+    irqs[0] = g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
     for (i = 0; i < smp_cpus; i++) {
         qemu_irq *input;
         env = cpu_ppc_init(cpu_model);
@@ -259,6 +261,10 @@ static void mpc8544ds_init(ram_addr_t ram_size,
             firstenv = env;
         }
 
+        irqs[i] = irqs[0] + (i * OPENPIC_OUTPUT_NB);
+        input = (qemu_irq *)env->irq_inputs;
+        irqs[i][OPENPIC_OUTPUT_INT] = input[PPCE500_INPUT_INT];
+        irqs[i][OPENPIC_OUTPUT_CINT] = input[PPCE500_INPUT_CINT];
         env->spr[SPR_BOOKE_PIR] = env->cpu_index = i;
 
         /* XXX register timer? */
@@ -283,10 +289,11 @@ static void mpc8544ds_init(ram_addr_t ram_size,
                                  "mpc8544ds.ram", ram_size));
 
     /* MPIC */
-    irqs = g_malloc0(sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
-    irqs[OPENPIC_OUTPUT_INT] = ((qemu_irq 
*)env->irq_inputs)[PPCE500_INPUT_INT];
-    irqs[OPENPIC_OUTPUT_CINT] = ((qemu_irq 
*)env->irq_inputs)[PPCE500_INPUT_CINT];
-    mpic = mpic_init(MPC8544_MPIC_REGS_BASE, 1, &irqs, NULL);
+    mpic = mpic_init(MPC8544_MPIC_REGS_BASE, smp_cpus, irqs, NULL);
+
+    if (!mpic) {
+        cpu_abort(env, "MPIC failed to initialize\n");
+    }
 
     /* Serial */
     if (serial_hds[0]) {
-- 
1.6.0.2