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Add Pci.write_config_register()

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Josh Holtrop 2023-06-10 09:19:58 -04:00
parent 7aa28da1ef
commit 9ac69c9003
1 changed files with 7 additions and 0 deletions
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7
src/hulk/pci.d
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@ -33,6 +33,13 @@ struct Pci
return in32(IO_ADDR_CONFIG_DATA); return in32(IO_ADDR_CONFIG_DATA);
} }
private static void write_config_register(uint bus_id, uint device_idx, uint function_idx, uint register_id, uint value)
{
uint addr = 0x8000_0000u | (bus_id << 16u) | (device_idx << 11u) | (function_idx << 8u) | (register_id << 2u);
out32(IO_ADDR_CONFIG_ADDRESS, addr);
out32(IO_ADDR_CONFIG_DATA, value);
}
private static void init_device(ubyte class_id, ubyte subclass_id, ubyte if_id) private static void init_device(ubyte class_id, ubyte subclass_id, ubyte if_id)
{ {
switch (class_id) switch (class_id)