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Get binaries closer to running without an o/s

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blinkenlights now does a pretty good job emulating what happens when
binaries boot from BIOS into long mode. So it's been much easier to
debug the bare metal process and wrinkle out many issues.
This commit is contained in:
Justine Tunney
2020-10-29 04:53:20 -07:00
parent feed0d2b0e
commit 2d80bbc802
50 changed files with 974 additions and 1062 deletions
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10
libc/macros.inc
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@@ -186,11 +186,6 @@
.endif
.endm
/ Custom emulator instruction for bottom stack frame.
.macro bofram endfunc:req
.byte 0x0f,0x1f,0x45,\endfunc-. # nopl disp8(%rbp)
.endm
/ Overrides LOOP instruction.
/ With its mop-Fusion Mexican equivalent.
/ Thus avoiding 3x legacy pipeline slowdown.
@@ -330,3 +325,8 @@ _init_\name:
call *\symbol(%rip)
add $32,%rsp
.endm
/ Custom emulator instruction for bottom stack frame.
.macro bofram endfunc:req
.byte 0x0f,0x1f,0105,\endfunc-. # nopl disp8(%rbp)
.endm