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hw/mips/boston: Remove workaround for writes to ROM aborting 

Now that the memory system correctly handles writes to ROM for
guest CPUs that may generate exceptions for decode errors, we
can remove the workaround from the boston board.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <1513187549-2435-3-git-send-email-peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peter Maydell 2017-12-13 17:52:29 +00:00 committed by Paolo Bonzini
parent 8af36743c2
commit 5fb3d63288
1 changed files with 2 additions and 12 deletions
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14
hw/mips/boston.c
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@ -248,16 +248,6 @@ static const MemoryRegionOps boston_platreg_ops = {
.endianness = DEVICE_NATIVE_ENDIAN, .endianness = DEVICE_NATIVE_ENDIAN,
}; };
static void boston_flash_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size)
{
}
static const MemoryRegionOps boston_flash_ops = {
.write = boston_flash_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
static const TypeInfo boston_device = { static const TypeInfo boston_device = {
.name = TYPE_MIPS_BOSTON, .name = TYPE_MIPS_BOSTON,
.parent = TYPE_SYS_BUS_DEVICE, .parent = TYPE_SYS_BUS_DEVICE,
@ -481,8 +471,8 @@ static void boston_mach_init(MachineState *machine)
sysbus_mmio_map_overlap(SYS_BUS_DEVICE(s->cps), 0, 0, 1); sysbus_mmio_map_overlap(SYS_BUS_DEVICE(s->cps), 0, 0, 1);
flash = g_new(MemoryRegion, 1); flash = g_new(MemoryRegion, 1);
memory_region_init_rom_device_nomigrate(flash, NULL, &boston_flash_ops, s, memory_region_init_rom_nomigrate(flash, NULL,
"boston.flash", 128 * M_BYTE, &err); "boston.flash", 128 * M_BYTE, &err);
memory_region_add_subregion_overlap(sys_mem, 0x18000000, flash, 0); memory_region_add_subregion_overlap(sys_mem, 0x18000000, flash, 0);
ddr = g_new(MemoryRegion, 1); ddr = g_new(MemoryRegion, 1);