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Fix PCI bit-test function unnecessary parens warnings.

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TomAwezome 2022-10-25 14:52:30 -04:00
parent 11601ccb32
commit fbbc5dacbf
1 changed files with 7 additions and 9 deletions
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16
src/Kernel/PCI.ZC
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@ -131,29 +131,27 @@ Bool PCIBt(U8 reg RBX *bit_field, I64 reg RDX bit)
{ // MOV-based Bt for use in PCI device memory-mapped IO areas. See $LK+PU,"Bt()",A="FF:::/Kernel/KernelB.HH,Bt("$. { // MOV-based Bt for use in PCI device memory-mapped IO areas. See $LK+PU,"Bt()",A="FF:::/Kernel/KernelB.HH,Bt("$.
bit_field += bit / 8; bit_field += bit / 8;
bit &= 7; bit &= 7;
return (*bit_field & (1 << bit)) >> bit; return (*bit_field & 1 << bit) >> bit;
} }
Bool PCIBtr(U8 reg RDX *bit_field, I64 reg RBX bit) Bool PCIBtr(U8 reg RDX *bit_field, I64 reg RBX bit)
{ // MOV-based Btr for use in PCI device memory-mapped IO areas. See $LK+PU,"Btr()",A="FF:::/Kernel/KernelB.HH,Btr("$. { // MOV-based Btr for use in PCI device memory-mapped IO areas. See $LK+PU,"Btr()",A="FF:::/Kernel/KernelB.HH,Btr("$.
U64 reg R9 chunk_mod = (bit & 31); U64 reg R9 chunk_mod = bit & 31, chunk_bit = 1 << chunk_mod;
U64 chunk_bit = 1 << chunk_mod;
bit_field(U32 *) += bit / 32; bit_field(U32 *) += bit / 32;
Bool reg R8 result = (*(bit_field(U32 *)) & chunk_bit) >> chunk_mod; Bool reg R8 result = (*bit_field(U32 *) & chunk_bit) >> chunk_mod;
*(bit_field(U32 *)) &= ~(chunk_bit); *bit_field(U32 *) &= ~chunk_bit;
return result; return result;
} }
Bool PCIBts(U8 reg RDX *bit_field, I64 reg RBX bit) Bool PCIBts(U8 reg RDX *bit_field, I64 reg RBX bit)
{ // MOV-based Bts for use in PCI device memory-mapped IO areas. See $LK+PU,"Bts()",A="FF:::/Kernel/KernelB.HH,Bts("$. { // MOV-based Bts for use in PCI device memory-mapped IO areas. See $LK+PU,"Bts()",A="FF:::/Kernel/KernelB.HH,Bts("$.
U64 reg R9 chunk_mod = (bit & 31); U64 reg R9 chunk_mod = bit & 31, chunk_bit = 1 << chunk_mod;
U64 chunk_bit = 1 << chunk_mod;
bit_field(U32 *) += bit / 32; bit_field(U32 *) += bit / 32;
Bool reg R8 result = (*(bit_field(U32 *)) & chunk_bit) >> chunk_mod; Bool reg R8 result = (*bit_field(U32 *) & chunk_bit) >> chunk_mod;
*(bit_field(U32 *)) |= chunk_bit; *bit_field(U32 *) |= chunk_bit;
return result; return result;
} }