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* gptmbr: use cltq to extend a zero %eax into %edxH. Peter Anvin2008-02-251-1/+1
* gptmbr: Add commentH. Peter Anvin2008-02-251-1/+1
* gptmbr: save phdr -> bootsect on the stack, saving one byteH. Peter Anvin2008-02-251-2/+4
* gptmbr: another confusion of start and end fieldsH. Peter Anvin2008-02-251-2/+2
* gptmbr: fix confusion between start and end fieldsH. Peter Anvin2008-02-251-2/+4
* gptmbr: use xchgw %ax,... instead of movw %ax,... when %ax is deadH. Peter Anvin2008-02-251-1/+1
* gptmbr: Use %bp for references into phdr and the stackH. Peter Anvin2008-02-251-20/+19
* gptmbr: since %bx is advanced, we can test -2(%bx) == (bootsec+510)H. Peter Anvin2008-02-251-1/+1
* gptmbr: addw $512, %bx -> addb $2, %bhH. Peter Anvin2008-02-251-1/+1
* gptmbr: offsets into phdr are decimal, not hexH. Peter Anvin2008-02-251-4/+4
* gptmbr: move advancing %bx into read_sectorH. Peter Anvin2008-02-251-4/+3
* gptmbr: need to set %bx -> bootsecH. Peter Anvin2008-02-251-0/+1
* gptmbr: shuffle slightly to reduce register pressureH. Peter Anvin2008-02-251-6/+3
* gptmbr: shuffle slightly to save 3 bytesH. Peter Anvin2008-02-251-14/+17
* rep; cmpsw -> repe; cmpswH. Peter Anvin2008-02-251-1/+1
* Master boot record for GPT partition tablesH. Peter Anvin2008-02-251-0/+284