Difference between revisions of "Developer Manual"
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Whiterocker (talk | contribs) |
(Update location of FPU enabling code) |
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# <code>__protected_start</code> from src/cpu/x86/32bit/entry32.inc, sets all other segment registers to the 0x10 selector | # <code>__protected_start</code> from src/cpu/x86/32bit/entry32.inc, sets all other segment registers to the 0x10 selector | ||
# execution continues with various <code>mainboardinit</code> fragments: | # execution continues with various <code>mainboardinit</code> fragments: | ||
## <code>__fpu_start</code> from cpu/x86 | ## <code>__fpu_start</code> from cpu/x86/enable_fpu.inc | ||
## <code>(unlabeled)</code> from cpu/x86/sse/enable_sse.inc | ## <code>(unlabeled)</code> from cpu/x86/sse/enable_sse.inc | ||
## some CPUs enable their on-chip cache to be used temporarily as a scratch RAM (stack), e.g. cpu/amd/model_lx/cache_as_ram.inc | ## some CPUs enable their on-chip cache to be used temporarily as a scratch RAM (stack), e.g. cpu/amd/model_lx/cache_as_ram.inc | ||