From cb82c5728c3402248068002c0d13f55f9adcb073 Mon Sep 17 00:00:00 2001 From: Sven Schnelle Date: Mon, 11 Feb 2019 20:20:39 +0100 Subject: [PATCH] hw/hppa: forward requests to CPU HPA HP-UX 10.20 uses busmaster writes to the CPU EIR to signal interrupts from the SCSI constroller. (Similar to what is known as MSI on x86) Signed-off-by: Sven Schnelle Message-Id: <20190211192039.5457-1-svens@stackframe.org> Signed-off-by: Richard Henderson --- hw/hppa/dino.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/hw/hppa/dino.c b/hw/hppa/dino.c index 31e09942b5..360716de57 100644 --- a/hw/hppa/dino.c +++ b/hw/hppa/dino.c @@ -105,6 +105,7 @@ typedef struct DinoState { MemoryRegion bm; MemoryRegion bm_ram_alias; MemoryRegion bm_pci_alias; + MemoryRegion bm_cpu_alias; MemoryRegion cpu0_eir_mem; } DinoState; @@ -473,12 +474,17 @@ PCIBus *dino_init(MemoryRegion *addr_space, memory_region_init_alias(&s->bm_pci_alias, OBJECT(s), "bm-pci", &s->pci_mem, 0xf0000000 + DINO_MEM_CHUNK_SIZE, - 31 * DINO_MEM_CHUNK_SIZE); + 30 * DINO_MEM_CHUNK_SIZE); + memory_region_init_alias(&s->bm_cpu_alias, OBJECT(s), + "bm-cpu", addr_space, 0xfff00000, + 0xfffff); memory_region_add_subregion(&s->bm, 0, &s->bm_ram_alias); memory_region_add_subregion(&s->bm, 0xf0000000 + DINO_MEM_CHUNK_SIZE, &s->bm_pci_alias); + memory_region_add_subregion(&s->bm, 0xfff00000, + &s->bm_cpu_alias); address_space_init(&s->bm_as, &s->bm, "pci-bm"); pci_setup_iommu(b, dino_pcihost_set_iommu, s);