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6f82c92c30
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0ee8b7a4e4
Author | SHA1 | Date | |
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Able | 0ee8b7a4e4 | ||
Able | 2261f36101 |
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@ -1,4 +1,4 @@
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.{log} := @use("../lib.hb")
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.{log, panic} := @use("../lib.hb")
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alloc_return := @use("alloc_return.hb")
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/* the block size is 64 bytes, 64 blocks of 64 bytes.
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@ -13,11 +13,11 @@ BlockAlloc := struct {
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return .(0, null)
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}
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$alloc := fn(self: Self, alloc_type: type, count: uint): alloc_return.AllocReturn {
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alloc := fn(self: Self, alloc_type: type, count: uint): alloc_return.AllocReturn {
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offset := 1
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a := 1
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loop {
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// a = self.state >> offset;
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// a = self.state >> offset
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// check if the `offset` bit is 1, if it is move to the next offset
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if a == 1 {
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offset += 1
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@ -26,7 +26,12 @@ BlockAlloc := struct {
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// self it to 1 and return the ptr to the allocation
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self.state |= a
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// return ptr + offset * 64
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return .(64, self.ptr + offset * 64)
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if self.ptr != null {
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return .(64, self.ptr + offset * 64)
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} else {
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// panic.panic("Allocator is not inited.\0")
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// return .(0, null)
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}
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}
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// there are only 64 blocks
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if offset >= 64 {
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@ -35,7 +40,7 @@ BlockAlloc := struct {
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}
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}
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$dealloc := fn(self: Self, ptr: ^u8, alloc_type: type, count: uint): void {
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dealloc := fn(self: Self, ptr: ^u8, alloc_type: type, count: uint): void {
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// size := size_of(alloc_type)*count
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size := 64
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// get the size alligned to the nearest block
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