forked from AbleOS/ableos
39 lines
1,007 B
Plaintext
39 lines
1,007 B
Plaintext
request_page := fn(page_count: u8): ^u8 {
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msg := "\{00}\{01}xxxxxxxx\0"
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msg_page_count := msg + 1;
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*msg_page_count = page_count
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return @eca(^u8, 3, 2, msg, 12)
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}
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release_page := fn(ptr: ^u8, page_count: u8): void {
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msg := "\{01}\{00}xxxxxxxx\0"
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msg_page_count := msg + 1;
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*msg_page_count = page_count
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msg_ptr := @as(^^u8, @bitcast(msg + 2));
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*msg_ptr = ptr
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return @eca(void, 3, 2, msg, 12)
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}
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OutbMsg := struct {a: u8, b: u8, addr: u16, value: u8}
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InbMsg := struct {a: u8, b: u8, addr: u16}
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OutlMsg := struct {a: u8, b: u8, addr: u16, value: u32}
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InlMsg := struct {a: u8, b: u8, addr: u16}
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outb := fn(addr: u16, value: u8): void {
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return @eca(3, 3, &OutbMsg.(1, 0, addr, value), @sizeof(OutbMsg))
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}
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inb := fn(addr: u16): u8 {
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return @eca(u8, 3, 3, &InbMsg.(0, 0, addr), @sizeof(InbMsg))
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}
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outl := fn(addr: u16, value: u32): void {
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return @eca(3, 3, &OutlMsg.(1, 2, addr, value), @sizeof(OutlMsg))
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}
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inl := fn(addr: u16): u32 {
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return @eca(3, 3, &InlMsg.(0, 2, addr), @sizeof(InlMsg))
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} |