diff options
| -rw-r--r-- | hw/slavio_intctl.c | 35 | ||||
| -rw-r--r-- | hw/slavio_timer.c | 24 | ||||
| -rw-r--r-- | hw/sun4m.c | 14 | ||||
| -rw-r--r-- | vl.h | 7 |
4 files changed, 39 insertions, 41 deletions
diff --git a/hw/slavio_intctl.c b/hw/slavio_intctl.c index 7f93b22e32..279254f7f8 100644 --- a/hw/slavio_intctl.c +++ b/hw/slavio_intctl.c @@ -55,6 +55,7 @@ typedef struct SLAVIO_INTCTLState { #endif CPUState *cpu_envs[MAX_CPUS]; const uint32_t *intbit_to_level; + uint32_t cputimer_bit; } SLAVIO_INTCTLState; #define INTCTL_MAXADDR 0xf @@ -280,7 +281,7 @@ static void slavio_check_interrupts(void *opaque) * "irq" here is the bit number in the system interrupt register to * separate serial and keyboard interrupts sharing a level. */ -void slavio_set_irq(void *opaque, int irq, int level) +static void slavio_set_irq(void *opaque, int irq, int level) { SLAVIO_INTCTLState *s = opaque; @@ -302,26 +303,20 @@ void slavio_set_irq(void *opaque, int irq, int level) } } -void pic_set_irq_cpu(void *opaque, int irq, int level, unsigned int cpu) +static void slavio_set_timer_irq_cpu(void *opaque, int cpu, int level) { SLAVIO_INTCTLState *s = opaque; - DPRINTF("Set cpu %d local irq %d level %d\n", cpu, irq, level); - if (cpu == (unsigned int)-1) { - slavio_set_irq(opaque, irq, level); + DPRINTF("Set cpu %d local level %d\n", cpu, level); + if (!s->cpu_envs[cpu]) return; + + if (level) { + s->intreg_pending[cpu] |= s->cputimer_bit; + } else { + s->intreg_pending[cpu] &= ~s->cputimer_bit; } - if (irq < 32) { - uint32_t pil = s->intbit_to_level[irq]; - if (pil > 0) { - if (level) { - s->intreg_pending[cpu] |= 1 << pil; - } - else { - s->intreg_pending[cpu] &= ~(1 << pil); - } - } - } + slavio_check_interrupts(s); } @@ -371,12 +366,15 @@ static void slavio_intctl_reset(void *opaque) void slavio_intctl_set_cpu(void *opaque, unsigned int cpu, CPUState *env) { SLAVIO_INTCTLState *s = opaque; + s->cpu_envs[cpu] = env; } void *slavio_intctl_init(target_phys_addr_t addr, target_phys_addr_t addrg, const uint32_t *intbit_to_level, - qemu_irq **irq) + qemu_irq **irq, qemu_irq **cpu_irq, + unsigned int cputimer) + { int slavio_intctl_io_memory, slavio_intctlm_io_memory, i; SLAVIO_INTCTLState *s; @@ -398,6 +396,9 @@ void *slavio_intctl_init(target_phys_addr_t addr, target_phys_addr_t addrg, register_savevm("slavio_intctl", addr, 1, slavio_intctl_save, slavio_intctl_load, s); qemu_register_reset(slavio_intctl_reset, s); *irq = qemu_allocate_irqs(slavio_set_irq, s, 32); + + *cpu_irq = qemu_allocate_irqs(slavio_set_timer_irq_cpu, s, MAX_CPUS); + s->cputimer_bit = 1 << s->intbit_to_level[cputimer]; slavio_intctl_reset(s); return s; } diff --git a/hw/slavio_timer.c b/hw/slavio_timer.c index 6bc293e672..2ade17788e 100644 --- a/hw/slavio_timer.c +++ b/hw/slavio_timer.c @@ -48,14 +48,12 @@ do { printf("TIMER: " fmt , ##args); } while (0) */ typedef struct SLAVIO_TIMERState { + qemu_irq irq; ptimer_state *timer; uint32_t count, counthigh, reached; uint64_t limit; - int irq; int stopped; int mode; // 0 = processor, 1 = user, 2 = system - unsigned int cpu; - void *intctl; } SLAVIO_TIMERState; #define TIMER_MAXADDR 0x1f @@ -83,7 +81,7 @@ static void slavio_timer_irq(void *opaque) DPRINTF("callback: count %x%08x\n", s->counthigh, s->count); s->reached = 0x80000000; if (s->mode != 1) - pic_set_irq_cpu(s->intctl, s->irq, 1, s->cpu); + qemu_irq_raise(s->irq); } static uint32_t slavio_timer_mem_readl(void *opaque, target_phys_addr_t addr) @@ -98,7 +96,7 @@ static uint32_t slavio_timer_mem_readl(void *opaque, target_phys_addr_t addr) // part of counter (user mode) if (s->mode != 1) { // clear irq - pic_set_irq_cpu(s->intctl, s->irq, 0, s->cpu); + qemu_irq_lower(s->irq); s->reached = 0; ret = s->limit & 0x7fffffff; } @@ -145,7 +143,7 @@ static void slavio_timer_mem_writel(void *opaque, target_phys_addr_t addr, uint3 case 0: // set limit, reset counter reload = 1; - pic_set_irq_cpu(s->intctl, s->irq, 0, s->cpu); + qemu_irq_lower(s->irq); // fall through case 2: // set limit without resetting counter @@ -172,7 +170,7 @@ static void slavio_timer_mem_writel(void *opaque, target_phys_addr_t addr, uint3 if (s->mode == 0 || s->mode == 1) s->mode = val & 1; if (s->mode == 1) { - pic_set_irq_cpu(s->intctl, s->irq, 0, s->cpu); + qemu_irq_lower(s->irq); s->limit = -1ULL; } ptimer_set_limit(s->timer, s->limit >> 9, 1); @@ -201,7 +199,7 @@ static void slavio_timer_save(QEMUFile *f, void *opaque) qemu_put_be64s(f, &s->limit); qemu_put_be32s(f, &s->count); qemu_put_be32s(f, &s->counthigh); - qemu_put_be32s(f, &s->irq); + qemu_put_be32(f, 0); // Was irq qemu_put_be32s(f, &s->reached); qemu_put_be32s(f, &s->stopped); qemu_put_be32s(f, &s->mode); @@ -211,6 +209,7 @@ static void slavio_timer_save(QEMUFile *f, void *opaque) static int slavio_timer_load(QEMUFile *f, void *opaque, int version_id) { SLAVIO_TIMERState *s = opaque; + uint32_t tmp; if (version_id != 2) return -EINVAL; @@ -218,7 +217,7 @@ static int slavio_timer_load(QEMUFile *f, void *opaque, int version_id) qemu_get_be64s(f, &s->limit); qemu_get_be32s(f, &s->count); qemu_get_be32s(f, &s->counthigh); - qemu_get_be32s(f, &s->irq); + qemu_get_be32s(f, &tmp); // Was irq qemu_get_be32s(f, &s->reached); qemu_get_be32s(f, &s->stopped); qemu_get_be32s(f, &s->mode); @@ -238,11 +237,10 @@ static void slavio_timer_reset(void *opaque) ptimer_set_limit(s->timer, s->limit >> 9, 1); ptimer_run(s->timer, 0); s->stopped = 1; - slavio_timer_irq(s); + qemu_irq_lower(s->irq); } -void slavio_timer_init(target_phys_addr_t addr, int irq, int mode, - unsigned int cpu, void *intctl) +void slavio_timer_init(target_phys_addr_t addr, qemu_irq irq, int mode) { int slavio_timer_io_memory; SLAVIO_TIMERState *s; @@ -253,11 +251,9 @@ void slavio_timer_init(target_phys_addr_t addr, int irq, int mode, return; s->irq = irq; s->mode = mode; - s->cpu = cpu; bh = qemu_bh_new(slavio_timer_irq, s); s->timer = ptimer_init(bh); ptimer_set_period(s->timer, 500ULL); - s->intctl = intctl; slavio_timer_io_memory = cpu_register_io_memory(0, slavio_timer_mem_read, slavio_timer_mem_write, s); diff --git a/hw/sun4m.c b/hw/sun4m.c index 04eae00eef..ed3be4e1d0 100644 --- a/hw/sun4m.c +++ b/hw/sun4m.c @@ -56,7 +56,7 @@ struct hwdef { long vram_size, nvram_size; // IRQ numbers are not PIL ones, but master interrupt controller register // bit numbers - int intctl_g_intr, esp_irq, le_irq, cpu_irq, clock_irq, clock1_irq; + int intctl_g_intr, esp_irq, le_irq, clock_irq, clock1_irq; int ser_irq, ms_kb_irq, fd_irq, me_irq, cs_irq; int machine_id; // For NVRAM uint32_t intbit_to_level[32]; @@ -264,7 +264,8 @@ static void sun4m_hw_init(const struct hwdef *hwdef, int ram_size, unsigned int i; void *iommu, *espdma, *ledma, *main_esp; const sparc_def_t *def; - qemu_irq *slavio_irq, *espdma_irq, *ledma_irq; + qemu_irq *slavio_irq, *slavio_cpu_irq, + *espdma_irq, *ledma_irq; /* init CPUs */ sparc_find_by_name(cpu_model, &def); @@ -291,7 +292,8 @@ static void sun4m_hw_init(const struct hwdef *hwdef, int ram_size, slavio_intctl = slavio_intctl_init(hwdef->intctl_base, hwdef->intctl_base + 0x10000ULL, &hwdef->intbit_to_level[0], - &slavio_irq); + &slavio_irq, &slavio_cpu_irq, + hwdef->clock_irq); for(i = 0; i < smp_cpus; i++) { slavio_intctl_set_cpu(slavio_intctl, i, envs[i]); } @@ -320,10 +322,10 @@ static void sun4m_hw_init(const struct hwdef *hwdef, int ram_size, for (i = 0; i < MAX_CPUS; i++) { slavio_timer_init(hwdef->counter_base + (target_phys_addr_t)(i * TARGET_PAGE_SIZE), - hwdef->clock_irq, 0, i, slavio_intctl); + slavio_cpu_irq[i], 0); } - slavio_timer_init(hwdef->counter_base + 0x10000ULL, hwdef->clock1_irq, 2, - (unsigned int)-1, slavio_intctl); + slavio_timer_init(hwdef->counter_base + 0x10000ULL, + slavio_irq[hwdef->clock1_irq], 2); slavio_serial_ms_kbd_init(hwdef->ms_kb_base, slavio_irq[hwdef->ms_kb_irq]); // Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device // Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device diff --git a/vl.h b/vl.h index 0a13f26185..d6a76f6c9e 100644 --- a/vl.h +++ b/vl.h @@ -1230,10 +1230,10 @@ void tcx_init(DisplayState *ds, target_phys_addr_t addr, uint8_t *vram_base, int depth); /* slavio_intctl.c */ -void pic_set_irq_cpu(void *opaque, int irq, int level, unsigned int cpu); void *slavio_intctl_init(target_phys_addr_t addr, target_phys_addr_t addrg, const uint32_t *intbit_to_level, - qemu_irq **irq); + qemu_irq **irq, qemu_irq **cpu_irq, + unsigned int cputimer); void slavio_intctl_set_cpu(void *opaque, unsigned int cpu, CPUState *env); void slavio_pic_info(void *opaque); void slavio_irq_info(void *opaque); @@ -1247,8 +1247,7 @@ int load_aout(const char *filename, uint8_t *addr); int load_uboot(const char *filename, target_ulong *ep, int *is_linux); /* slavio_timer.c */ -void slavio_timer_init(target_phys_addr_t addr, int irq, int mode, - unsigned int cpu, void *intctl); +void slavio_timer_init(target_phys_addr_t addr, qemu_irq irq, int mode); /* slavio_serial.c */ SerialState *slavio_serial_init(target_phys_addr_t base, qemu_irq irq, |