diff options
Diffstat (limited to 'hw/openpic.c')
| -rw-r--r-- | hw/openpic.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/hw/openpic.c b/hw/openpic.c index f7d5583da5..9710ac0b30 100644 --- a/hw/openpic.c +++ b/hw/openpic.c @@ -57,7 +57,7 @@ #define MAX_MBX 4 #define MAX_TMR 4 #define VECTOR_BITS 8 -#define MAX_IPI 0 +#define MAX_IPI 4 #define VID (0x00000000) @@ -840,7 +840,9 @@ static void openpic_cpu_write_internal(void *opaque, target_phys_addr_t addr, case 0x60: case 0x70: idx = (addr - 0x40) >> 4; - write_IRQreg(opp, opp->irq_ipi0 + idx, IRQ_IDE, val); + /* we use IDE as mask which CPUs to deliver the IPI to still. */ + write_IRQreg(opp, opp->irq_ipi0 + idx, IRQ_IDE, + opp->src[opp->irq_ipi0 + idx].ide | val); openpic_set_irq(opp, opp->irq_ipi0 + idx, 1); openpic_set_irq(opp, opp->irq_ipi0 + idx, 0); break; @@ -934,6 +936,17 @@ static uint32_t openpic_cpu_read_internal(void *opaque, target_phys_addr_t addr, reset_bit(&src->ipvp, IPVP_ACTIVITY); src->pending = 0; } + + if ((n_IRQ >= opp->irq_ipi0) && (n_IRQ < (opp->irq_ipi0 + MAX_IPI))) { + src->ide &= ~(1 << idx); + if (src->ide && !test_bit(&src->ipvp, IPVP_SENSE)) { + /* trigger on CPUs that didn't know about it yet */ + openpic_set_irq(opp, n_IRQ, 1); + openpic_set_irq(opp, n_IRQ, 0); + /* if all CPUs knew about it, set active bit again */ + set_bit(&src->ipvp, IPVP_ACTIVITY); + } + } } break; case 0xB0: /* PEOI */ |