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[Qemu-devel] [PATCH] target/hppa: forward requests to CPU HPA
From: |
Sven Schnelle |
Subject: |
[Qemu-devel] [PATCH] target/hppa: forward requests to CPU HPA |
Date: |
Mon, 11 Feb 2019 20:20:39 +0100 |
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 <address@hidden>
---
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);
--
2.20.1
- [Qemu-devel] [PATCH] target/hppa: forward requests to CPU HPA,
Sven Schnelle <=