diff options
| author | Christoffer Dall <christoffer.dall@linaro.org> | 2014-01-31 14:47:38 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-01-31 14:47:38 +0000 |
| commit | 41ab7b55108e2699e7c2e77788465cb52a0b2c08 (patch) | |
| tree | 80201b819db43405c5c832d2030b0a7d212bb252 | |
| parent | 4d1cef840d526c80244175c208260f165f9226db (diff) | |
arm_gic: Introduce define for GIC_NR_SGIS
Instead of hardcoding 16 various places in the code, use a define to
make it more clear what is going on.
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | hw/intc/arm_gic.c | 17 | ||||
| -rw-r--r-- | include/hw/intc/arm_gic_common.h | 1 |
2 files changed, 12 insertions, 6 deletions
diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c index 9409684ce8..98c6ff5ccb 100644 --- a/hw/intc/arm_gic.c +++ b/hw/intc/arm_gic.c @@ -380,8 +380,10 @@ static void gic_dist_writeb(void *opaque, hwaddr offset, irq = (offset - 0x100) * 8 + GIC_BASE_IRQ; if (irq >= s->num_irq) goto bad_reg; - if (irq < 16) - value = 0xff; + if (irq < GIC_NR_SGIS) { + value = 0xff; + } + for (i = 0; i < 8; i++) { if (value & (1 << i)) { int mask = @@ -406,8 +408,10 @@ static void gic_dist_writeb(void *opaque, hwaddr offset, irq = (offset - 0x180) * 8 + GIC_BASE_IRQ; if (irq >= s->num_irq) goto bad_reg; - if (irq < 16) - value = 0; + if (irq < GIC_NR_SGIS) { + value = 0; + } + for (i = 0; i < 8; i++) { if (value & (1 << i)) { int cm = (irq < GIC_INTERNAL) ? (1 << cpu) : ALL_CPU_MASK; @@ -423,8 +427,9 @@ static void gic_dist_writeb(void *opaque, hwaddr offset, irq = (offset - 0x200) * 8 + GIC_BASE_IRQ; if (irq >= s->num_irq) goto bad_reg; - if (irq < 16) - irq = 0; + if (irq < GIC_NR_SGIS) { + irq = 0; + } for (i = 0; i < 8; i++) { if (value & (1 << i)) { diff --git a/include/hw/intc/arm_gic_common.h b/include/hw/intc/arm_gic_common.h index 0d232dfb67..8a2aa00cee 100644 --- a/include/hw/intc/arm_gic_common.h +++ b/include/hw/intc/arm_gic_common.h @@ -27,6 +27,7 @@ #define GIC_MAXIRQ 1020 /* First 32 are private to each CPU (SGIs and PPIs). */ #define GIC_INTERNAL 32 +#define GIC_NR_SGIS 16 /* Maximum number of possible CPU interfaces, determined by GIC architecture */ #define GIC_NCPU 8 |