> Am 29.08.2014 um 03:06 schrieb Benjamin Herrenschmidt <b...@au1.ibm.com>: > >> On Fri, 2014-08-29 at 02:40 +0200, Alexander Graf wrote: >> >>> On 29.08.14 00:25, Benjamin Herrenschmidt wrote: >>>> On Fri, 2014-08-29 at 00:18 +0200, Alexander Graf wrote: >>>> I strongly disagree with David. Legally there is no difference between a >>>> .bin file that contains code and an array made of instructions. And the >>>> more target code we can keep outside of QEMU the better. >>> >>> Ugh ... having a separate file with it's own build system etc... for 5 >>> instructions is borderline ridiculous too :-) >> >> Then don't use it - nobody's forcing you to do so :). Just use the >> provided binary. I fail to see the difference between >> >> uint32_t rtas_blob[] = { INST_SC1, INST_BLR }; >> >> and >> >> uint32_t *rtas_blob; >> load_file_from_disk(rtas_blob); >> >> except that we're using an actual assembler ;). > > So you fail to see the difference with an array of 5 words vs. running > through thousands of instructions & syscall to read those same 5 words > from disk ? :-)
I fail to see a problem, yeah :). Imagine the same thing on x86 with its completely messed up instruction set. Would you still advocate for in-qemu code or would you prefer to have a compiler between you and the ugly opcodes? Alex