From 81a02f93bac79598637eb5ffa5a5e3a6f1887175 Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Fri, 7 Oct 2011 09:19:54 +0200 Subject: [PATCH] i8259: Fix coding style No functional changes. Signed-off-by: Jan Kiszka Signed-off-by: Blue Swirl --- hw/i8259.c | 54 ++++++++++++++++++++++++++++++++++-------------------- 1 file changed, 34 insertions(+), 20 deletions(-) diff --git a/hw/i8259.c b/hw/i8259.c index b4e1867de4..ab519de5d8 100644 --- a/hw/i8259.c +++ b/hw/i8259.c @@ -67,7 +67,7 @@ struct PicState { MemoryRegion elcr_io; }; -#if defined(DEBUG_PIC) || defined (DEBUG_IRQ_COUNT) +#if defined(DEBUG_PIC) || defined(DEBUG_IRQ_COUNT) static int irq_level[16]; #endif #ifdef DEBUG_IRQ_COUNT @@ -84,11 +84,14 @@ static PicState *slave_pic; static int get_priority(PicState *s, int mask) { int priority; - if (mask == 0) + + if (mask == 0) { return 8; + } priority = 0; - while ((mask & (1 << ((priority + s->priority_add) & 7))) == 0) + while ((mask & (1 << ((priority + s->priority_add) & 7))) == 0) { priority++; + } return priority; } @@ -99,14 +102,16 @@ static int pic_get_irq(PicState *s) mask = s->irr & ~s->imr; priority = get_priority(s, mask); - if (priority == 8) + if (priority == 8) { return -1; + } /* compute current priority. If special fully nested mode on the master, the IRQ coming from the slave is not taken into account for the priority computation. */ mask = s->isr; - if (s->special_mask) + if (s->special_mask) { mask &= ~s->imr; + } if (s->special_fully_nested_mode && s->master) { mask &= ~(1 << 2); } @@ -188,14 +193,16 @@ static void pic_set_irq(void *opaque, int irq, int level) static void pic_intack(PicState *s, int irq) { if (s->auto_eoi) { - if (s->rotate_on_auto_eoi) + if (s->rotate_on_auto_eoi) { s->priority_add = (irq + 1) & 7; + } } else { s->isr |= (1 << irq); } /* We don't clear a level sensitive interrupt here */ - if (!(s->elcr & (1 << irq))) + if (!(s->elcr & (1 << irq))) { s->irr &= ~(1 << irq); + } pic_update_irq(s); } @@ -283,18 +290,22 @@ static void pic_ioport_write(void *opaque, target_phys_addr_t addr64, s->init_state = 1; s->init4 = val & 1; s->single_mode = val & 2; - if (val & 0x08) + if (val & 0x08) { hw_error("level sensitive irq not supported"); + } } else if (val & 0x08) { - if (val & 0x04) + if (val & 0x04) { s->poll = 1; - if (val & 0x02) + } + if (val & 0x02) { s->read_reg_select = val & 1; - if (val & 0x40) + } + if (val & 0x40) { s->special_mask = (val >> 5) & 1; + } } else { cmd = val >> 5; - switch(cmd) { + switch (cmd) { case 0: case 4: s->rotate_on_auto_eoi = cmd >> 2; @@ -305,8 +316,9 @@ static void pic_ioport_write(void *opaque, target_phys_addr_t addr64, if (priority != 8) { irq = (priority + s->priority_add) & 7; s->isr &= ~(1 << irq); - if (cmd == 5) + if (cmd == 5) { s->priority_add = (irq + 1) & 7; + } pic_update_irq(s); } break; @@ -331,7 +343,7 @@ static void pic_ioport_write(void *opaque, target_phys_addr_t addr64, } } } else { - switch(s->init_state) { + switch (s->init_state) { case 0: /* normal mode */ s->imr = val; @@ -374,10 +386,11 @@ static uint64_t pic_ioport_read(void *opaque, target_phys_addr_t addr, s->poll = 0; } else { if (addr == 0) { - if (s->read_reg_select) + if (s->read_reg_select) { ret = s->isr; - else + } else { ret = s->irr; + } } else { ret = s->imr; } @@ -410,7 +423,7 @@ static const VMStateDescription vmstate_pic = { .version_id = 1, .minimum_version_id = 1, .minimum_version_id_old = 1, - .fields = (VMStateField []) { + .fields = (VMStateField[]) { VMSTATE_UINT8(last_irr, PicState), VMSTATE_UINT8(irr, PicState), VMSTATE_UINT8(imr, PicState), @@ -474,9 +487,9 @@ void pic_info(Monitor *mon) int i; PicState *s; - if (!isa_pic) + if (!isa_pic) { return; - + } for (i = 0; i < 2; i++) { s = i == 0 ? isa_pic : slave_pic; monitor_printf(mon, "pic%d: irr=%02x imr=%02x isr=%02x hprio=%d " @@ -498,8 +511,9 @@ void irq_info(Monitor *mon) monitor_printf(mon, "IRQ statistics:\n"); for (i = 0; i < 16; i++) { count = irq_count[i]; - if (count > 0) + if (count > 0) { monitor_printf(mon, "%2d: %" PRId64 "\n", i, count); + } } #endif }