diff options
| author | Jinjie Ruan <ruanjinjie@huawei.com> | 2024-04-19 14:33:03 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2024-04-25 10:21:05 +0100 |
| commit | 44ed1e4b9a4df256bb56487ae5150b6807536703 (patch) | |
| tree | c4e00d1f43dd65a0abbd14061c830fdecfc673bc | |
| parent | 7c79d98d2e4de5b8c919002e6ead6bae7f46003d (diff) | |
hw/intc/arm_gicv3: Implement GICD_INMIR
Add GICD_INMIR, GICD_INMIRnE register and support access GICD_INMIR0.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-18-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | hw/intc/arm_gicv3_dist.c | 34 | ||||
| -rw-r--r-- | hw/intc/gicv3_internal.h | 2 |
2 files changed, 36 insertions, 0 deletions
diff --git a/hw/intc/arm_gicv3_dist.c b/hw/intc/arm_gicv3_dist.c index 22ddc0d666..d8207acb22 100644 --- a/hw/intc/arm_gicv3_dist.c +++ b/hw/intc/arm_gicv3_dist.c @@ -89,6 +89,29 @@ static int gicd_ns_access(GICv3State *s, int irq) return extract32(s->gicd_nsacr[irq / 16], (irq % 16) * 2, 2); } +static void gicd_write_bitmap_reg(GICv3State *s, MemTxAttrs attrs, + uint32_t *bmp, maskfn *maskfn, + int offset, uint32_t val) +{ + /* + * Helper routine to implement writing to a "set" register + * (GICD_INMIR, etc). + * Semantics implemented here: + * RAZ/WI for SGIs, PPIs, unimplemented IRQs + * Bits corresponding to Group 0 or Secure Group 1 interrupts RAZ/WI. + * offset should be the offset in bytes of the register from the start + * of its group. + */ + int irq = offset * 8; + + if (irq < GIC_INTERNAL || irq >= s->num_irq) { + return; + } + val &= mask_group_and_nsacr(s, attrs, maskfn, irq); + *gic_bmp_ptr32(bmp, irq) = val; + gicv3_update(s, irq, 32); +} + static void gicd_write_set_bitmap_reg(GICv3State *s, MemTxAttrs attrs, uint32_t *bmp, maskfn *maskfn, @@ -545,6 +568,11 @@ static bool gicd_readl(GICv3State *s, hwaddr offset, /* RAZ/WI since affinity routing is always enabled */ *data = 0; return true; + case GICD_INMIR ... GICD_INMIR + 0x7f: + *data = (!s->nmi_support) ? 0 : + gicd_read_bitmap_reg(s, attrs, s->nmi, NULL, + offset - GICD_INMIR); + return true; case GICD_IROUTER ... GICD_IROUTER + 0x1fdf: { uint64_t r; @@ -754,6 +782,12 @@ static bool gicd_writel(GICv3State *s, hwaddr offset, case GICD_SPENDSGIR ... GICD_SPENDSGIR + 0xf: /* RAZ/WI since affinity routing is always enabled */ return true; + case GICD_INMIR ... GICD_INMIR + 0x7f: + if (s->nmi_support) { + gicd_write_bitmap_reg(s, attrs, s->nmi, NULL, + offset - GICD_INMIR, value); + } + return true; case GICD_IROUTER ... GICD_IROUTER + 0x1fdf: { uint64_t r; diff --git a/hw/intc/gicv3_internal.h b/hw/intc/gicv3_internal.h index 21697ecf39..8d793243f4 100644 --- a/hw/intc/gicv3_internal.h +++ b/hw/intc/gicv3_internal.h @@ -52,6 +52,8 @@ #define GICD_SGIR 0x0F00 #define GICD_CPENDSGIR 0x0F10 #define GICD_SPENDSGIR 0x0F20 +#define GICD_INMIR 0x0F80 +#define GICD_INMIRnE 0x3B00 #define GICD_IROUTER 0x6000 #define GICD_IDREGS 0xFFD0 |