Commit cb82c572 authored by Sven Schnelle's avatar Sven Schnelle Committed by Richard Henderson
Browse files

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: default avatarSven Schnelle <svens@stackframe.org>
Message-Id: <20190211192039.5457-1-svens@stackframe.org>
Signed-off-by: default avatarRichard Henderson <richard.henderson@linaro.org>
parent 60e29463

hw/hppa/dino.c

+7 −1
Original line number Diff line number Diff line
@@ -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);