diff options
Diffstat (limited to 'hw/heathrow_pic.c')
| -rw-r--r-- | hw/heathrow_pic.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/hw/heathrow_pic.c b/hw/heathrow_pic.c index 96eb6565fd..44dc97a2dc 100644 --- a/hw/heathrow_pic.c +++ b/hw/heathrow_pic.c @@ -1,7 +1,8 @@ /* - * Heathrow PIC support (standard PowerMac PIC) + * Heathrow PIC support (OldWorld PowerMac) * - * Copyright (c) 2005 Fabrice Bellard + * Copyright (c) 2005-2007 Fabrice Bellard + * Copyright (c) 2007 Jocelyn Mayer * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -22,6 +23,7 @@ * THE SOFTWARE. */ #include "vl.h" +#include "ppc_mac.h" //#define DEBUG @@ -34,6 +36,7 @@ typedef struct HeathrowPIC { typedef struct HeathrowPICS { HeathrowPIC pics[2]; + qemu_irq *irqs; } HeathrowPICS; static inline int check_irq(HeathrowPIC *pic) @@ -45,9 +48,9 @@ static inline int check_irq(HeathrowPIC *pic) static void heathrow_pic_update(HeathrowPICS *s) { if (check_irq(&s->pics[0]) || check_irq(&s->pics[1])) { - cpu_interrupt(first_cpu, CPU_INTERRUPT_HARD); + qemu_irq_raise(s->irqs[0]); } else { - cpu_reset_interrupt(first_cpu, CPU_INTERRUPT_HARD); + qemu_irq_lower(s->irqs[0]); } } @@ -57,12 +60,13 @@ static void pic_writel (void *opaque, target_phys_addr_t addr, uint32_t value) HeathrowPIC *pic; unsigned int n; +#ifdef TARGET_WORDS_BIGENDIAN value = bswap32(value); -#ifdef DEBUG - printf("pic_writel: %08x: %08x\n", - addr, value); #endif n = ((addr & 0xfff) - 0x10) >> 4; +#ifdef DEBUG + printf("pic_writel: " PADDRX " %u: %08x\n", addr, n, value); +#endif if (n >= 2) return; pic = &s->pics[n]; @@ -110,10 +114,11 @@ static uint32_t pic_readl (void *opaque, target_phys_addr_t addr) } } #ifdef DEBUG - printf("pic_readl: %08x: %08x\n", - addr, value); + printf("pic_readl: " PADDRX " %u: %08x\n", addr, n, value); #endif +#ifdef TARGET_WORDS_BIGENDIAN value = bswap32(value); +#endif return value; } @@ -156,13 +161,17 @@ static void heathrow_pic_set_irq(void *opaque, int num, int level) heathrow_pic_update(s); } -qemu_irq *heathrow_pic_init(int *pmem_index) +qemu_irq *heathrow_pic_init(int *pmem_index, + int nb_cpus, qemu_irq **irqs) { HeathrowPICS *s; s = qemu_mallocz(sizeof(HeathrowPICS)); s->pics[0].level_triggered = 0; s->pics[1].level_triggered = 0x1ff00000; + /* only 1 CPU */ + s->irqs = irqs[0]; *pmem_index = cpu_register_io_memory(0, pic_read, pic_write, s); + return qemu_allocate_irqs(heathrow_pic_set_irq, s, 64); } |