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authorEdgar E. Iglesias <edgar.iglesias@gmail.com>2009-05-16 12:28:33 +0200
committerEdgar E. Iglesias <edgar.iglesias@gmail.com>2009-05-16 12:28:33 +0200
commit979d98ca904bcad59f83908a540fa3a8ce56982d (patch)
tree50890d723546a1d044034a5e65eca9cb458aacca /hw/etraxfs_pic.c
parent3b1fd90ed13ce9674de80cc1d1e1d7241d0f0796 (diff)
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ETRAX-PIC: Untabify.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Diffstat (limited to 'hw/etraxfs_pic.c')
-rw-r--r--hw/etraxfs_pic.c176
1 files changed, 88 insertions, 88 deletions
diff --git a/hw/etraxfs_pic.c b/hw/etraxfs_pic.c
index 622d655..2795d4c 100644
--- a/hw/etraxfs_pic.c
+++ b/hw/etraxfs_pic.c
@@ -29,85 +29,85 @@
#define D(x)
-#define R_RW_MASK 0
-#define R_R_VECT 1
-#define R_R_MASKED_VECT 2
-#define R_R_NMI 3
-#define R_R_GURU 4
-#define R_MAX 5
+#define R_RW_MASK 0
+#define R_R_VECT 1
+#define R_R_MASKED_VECT 2
+#define R_R_NMI 3
+#define R_R_GURU 4
+#define R_MAX 5
struct fs_pic_state
{
- CPUState *env;
- uint32_t regs[R_MAX];
+ CPUState *env;
+ uint32_t regs[R_MAX];
};
static void pic_update(struct fs_pic_state *fs)
-{
- CPUState *env = fs->env;
- uint32_t vector = 0;
- int i;
-
- fs->regs[R_R_MASKED_VECT] = fs->regs[R_R_VECT] & fs->regs[R_RW_MASK];
-
- /* The ETRAX interrupt controller signals interrupts to teh core
- through an interrupt request wire and an irq vector bus. If
- multiple interrupts are simultaneously active it chooses vector
- 0x30 and lets the sw choose the priorities. */
- if (fs->regs[R_R_MASKED_VECT]) {
- uint32_t mv = fs->regs[R_R_MASKED_VECT];
- for (i = 0; i < 31; i++) {
- if (mv & 1) {
- vector = 0x31 + i;
- /* Check for multiple interrupts. */
- if (mv > 1)
- vector = 0x30;
- break;
- }
- mv >>= 1;
- }
- if (vector) {
- env->interrupt_vector = vector;
- D(printf("%s vector=%x\n", __func__, vector));
- cpu_interrupt(env, CPU_INTERRUPT_HARD);
- }
- } else {
- env->interrupt_vector = 0;
- cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
- D(printf("%s reset irqs\n", __func__));
- }
+{
+ CPUState *env = fs->env;
+ uint32_t vector = 0;
+ int i;
+
+ fs->regs[R_R_MASKED_VECT] = fs->regs[R_R_VECT] & fs->regs[R_RW_MASK];
+
+ /* The ETRAX interrupt controller signals interrupts to teh core
+ through an interrupt request wire and an irq vector bus. If
+ multiple interrupts are simultaneously active it chooses vector
+ 0x30 and lets the sw choose the priorities. */
+ if (fs->regs[R_R_MASKED_VECT]) {
+ uint32_t mv = fs->regs[R_R_MASKED_VECT];
+ for (i = 0; i < 31; i++) {
+ if (mv & 1) {
+ vector = 0x31 + i;
+ /* Check for multiple interrupts. */
+ if (mv > 1)
+ vector = 0x30;
+ break;
+ }
+ mv >>= 1;
+ }
+ if (vector) {
+ env->interrupt_vector = vector;
+ D(printf("%s vector=%x\n", __func__, vector));
+ cpu_interrupt(env, CPU_INTERRUPT_HARD);
+ }
+ } else {
+ env->interrupt_vector = 0;
+ cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
+ D(printf("%s reset irqs\n", __func__));
+ }
}
static uint32_t pic_readl (void *opaque, target_phys_addr_t addr)
{
- struct fs_pic_state *fs = opaque;
- uint32_t rval;
+ struct fs_pic_state *fs = opaque;
+ uint32_t rval;
- rval = fs->regs[addr >> 2];
- D(printf("%s %x=%x\n", __func__, addr, rval));
- return rval;
+ rval = fs->regs[addr >> 2];
+ D(printf("%s %x=%x\n", __func__, addr, rval));
+ return rval;
}
static void
pic_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
{
- struct fs_pic_state *fs = opaque;
- D(printf("%s addr=%x val=%x\n", __func__, addr, value));
+ struct fs_pic_state *fs = opaque;
+ D(printf("%s addr=%x val=%x\n", __func__, addr, value));
- if (addr == R_RW_MASK) {
- fs->regs[R_RW_MASK] = value;
- pic_update(fs);
- }
+ if (addr == R_RW_MASK) {
+ fs->regs[R_RW_MASK] = value;
+ pic_update(fs);
+ }
}
static CPUReadMemoryFunc *pic_read[] = {
- NULL, NULL,
- &pic_readl,
+ NULL, NULL,
+ &pic_readl,
};
static CPUWriteMemoryFunc *pic_write[] = {
- NULL, NULL,
- &pic_writel,
+ NULL, NULL,
+ &pic_writel,
};
void pic_info(Monitor *mon)
@@ -119,47 +119,47 @@ void irq_info(Monitor *mon)
}
static void nmi_handler(void *opaque, int irq, int level)
-{
- struct fs_pic_state *fs = (void *)opaque;
- CPUState *env = fs->env;
- uint32_t mask;
-
- mask = 1 << irq;
- if (level)
- fs->regs[R_R_NMI] |= mask;
- else
- fs->regs[R_R_NMI] &= ~mask;
-
- if (fs->regs[R_R_NMI])
- cpu_interrupt(env, CPU_INTERRUPT_NMI);
- else
- cpu_reset_interrupt(env, CPU_INTERRUPT_NMI);
+{
+ struct fs_pic_state *fs = (void *)opaque;
+ CPUState *env = fs->env;
+ uint32_t mask;
+
+ mask = 1 << irq;
+ if (level)
+ fs->regs[R_R_NMI] |= mask;
+ else
+ fs->regs[R_R_NMI] &= ~mask;
+
+ if (fs->regs[R_R_NMI])
+ cpu_interrupt(env, CPU_INTERRUPT_NMI);
+ else
+ cpu_reset_interrupt(env, CPU_INTERRUPT_NMI);
}
static void irq_handler(void *opaque, int irq, int level)
-{
- struct fs_pic_state *fs = (void *)opaque;
+{
+ struct fs_pic_state *fs = (void *)opaque;
- if (irq >= 30)
- return nmi_handler(opaque, irq, level);
+ if (irq >= 30)
+ return nmi_handler(opaque, irq, level);
- irq -= 1;
- fs->regs[R_R_VECT] &= ~(1 << irq);
- fs->regs[R_R_VECT] |= (!!level << irq);
- pic_update(fs);
+ irq -= 1;
+ fs->regs[R_R_VECT] &= ~(1 << irq);
+ fs->regs[R_R_VECT] |= (!!level << irq);
+ pic_update(fs);
}
qemu_irq *etraxfs_pic_init(CPUState *env, target_phys_addr_t base)
{
- struct fs_pic_state *fs = NULL;
- qemu_irq *irq;
- int intr_vect_regs;
+ struct fs_pic_state *fs = NULL;
+ qemu_irq *irq;
+ int intr_vect_regs;
- fs = qemu_mallocz(sizeof *fs);
- fs->env = env;
- irq = qemu_allocate_irqs(irq_handler, fs, 32);
+ fs = qemu_mallocz(sizeof *fs);
+ fs->env = env;
+ irq = qemu_allocate_irqs(irq_handler, fs, 32);
- intr_vect_regs = cpu_register_io_memory(0, pic_read, pic_write, fs);
- cpu_register_physical_memory(base, R_MAX * 4, intr_vect_regs);
- return irq;
+ intr_vect_regs = cpu_register_io_memory(0, pic_read, pic_write, fs);
+ cpu_register_physical_memory(base, R_MAX * 4, intr_vect_regs);
+ return irq;
}