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Basic PCI Enumeration

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Nigel Barink
2021-11-25 22:05:16 +01:00
parent 23ede25ed6
commit ec654143c6
8 changed files with 120 additions and 171 deletions
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12
src/kernel/io.cpp
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@ -12,9 +12,10 @@ unsigned short inw_p(unsigned short ){
// TODO: implement me!
return 0;
}
unsigned int inl(unsigned short ){
// TODO: implement me!
return 0;
uint32_t inl( int port ){
unsigned int data;
asm volatile ("inl %w1, %0": "=a" (data): "d" (port));
return data;
}
unsigned int inl_p(unsigned short ){
// TODO: implement me!
@ -31,9 +32,12 @@ void outw(unsigned short , unsigned short ){
void outw_p(unsigned short , unsigned short ){
}
void outl(unsigned int , unsigned short ){
void outl( int port , uint32_t data ){
asm volatile ("outl %0, %1" :: "a" (data), "dn"(port));
}
void outl_p(unsigned int , unsigned short ){
}