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control: Support unaligned read and size != 4.

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joevt 2024-01-24 00:53:51 -08:00 committed by dingusdev
parent c42e1f28d6
commit aa33a1644c
1 changed files with 8 additions and 3 deletions
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11
devices/video/control.cpp
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@ -280,10 +280,15 @@ uint32_t ControlVideo::read(uint32_t rgn_start, uint32_t offset, int size)
value = 0; value = 0;
} }
if (offset & 3) AccessDetails details;
LOG_F(WARNING, "Control: unaligned read from register 0x%X", offset >> 4); details.size = size;
details.offset = offset & 3;
uint32_t result = pci_conv_rd_data(value, value, details);
if ((offset & 3) || (size != 4)) {
LOG_F(WARNING, "%s: read %s %03x.%c = %08x -> %0*x", this->name.c_str(), get_name_controlreg(offset), offset, SIZE_ARG(size), value, size * 2, result);
}
return BYTESWAP_SIZED(value, size);; return result;
} }
return 0; return 0;