forked from AbleOS/ableos
46 lines
1.1 KiB
Plaintext
46 lines
1.1 KiB
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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outb := fn(addr: u16, value: u8): void {
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msg := [u8; 5].(1, 0, @as(u8, addr & 0xFF), @as(u8, addr >> 8 & 0xFF), value)
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return @eca(void, 3, 3, &msg, 5)
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}
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inb := fn(addr: u16): u8 {
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msg := [u8; 4].(0, 0, @as(u8, addr & 0xFF), @as(u8, addr >> 8 & 0xFF))
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return @eca(u8, 3, 3, &msg, 4)
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}
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outl := fn(addr: u16, value: u32): void {
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msg := "\0\0\0\0\0\0\0\0";
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*@as(^u8, msg) = @as(u8, 1);
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*@as(^u8, msg + 1) = @as(u8, 2);
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*@as(^u16, @bitcast(msg + 2)) = addr;
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*@as(^u32, @bitcast(msg + 4)) = value
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@eca(void, 3, 3, msg, 8)
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return
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}
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inl := fn(addr: u16): u32 {
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msg := "\0\0\0\0";
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*@as(^u8, msg) = @as(u8, 0);
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*@as(^u8, msg + 1) = @as(u8, 2);
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*@as(^u16, @bitcast(msg + 2)) = addr
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return @eca(u32, 3, 3, msg, 4)
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} |