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hw_x86_64_muen: Use Bitset template for MSI address handle

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Use Bitset_2 to represent MSI address handle which renders the
Msi_handle type unnecessary.
This commit is contained in:
Adrian-Ken Rueegsegger 2016-02-24 14:28:20 +01:00 committed by Christian Helmuth
parent f5f8011d02
commit cd420b05ec
1 changed files with 3 additions and 9 deletions
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12
repos/base-hw/src/core/spec/x86_64/muen/platform_support.cc
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@ -35,28 +35,22 @@ struct Mmconf_address : Register<64>
return Sid::get(addr - PCI_CONFIG_BASE); }
};
struct Msi_handle : Register<16>
{
struct Bits_0 : Bitfield<0, 15> { };
struct Bits_1 : Bitfield<15, 1> { };
};
struct Msi_address : Register<32>
{
enum { BASE = 0xfee00010 };
struct Bits_0 : Bitfield<5, 15> { };
struct Bits_1 : Bitfield<2, 1> { };
struct Handle : Bitset_2<Bits_0, Bits_1> { };
/**
* Return MSI address register value for given handle to enable Interrupt
* Requests in Remappable Format, see VT-d specification section 5.1.2.2.
*/
static access_t to_msi_addr(Msi_handle::access_t const handle)
static access_t to_msi_addr(Msi_address::Handle::access_t const handle)
{
access_t addr = BASE;
Bits_0::set(addr, Msi_handle::Bits_0::get(handle));
Bits_1::set(addr, Msi_handle::Bits_1::get(handle));
Handle::set(addr, handle);
return addr;
}
};