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ed
2026-08-22 21:03:57 -04:00
parent a37ffe6f58
commit 52888015de
15 changed files with 43 additions and 108 deletions
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code/duffle/memory.h
+3 -4
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@@ -58,13 +58,13 @@ typedef Struct_(Str8) { UTF8* ptr; U4 len; };
typedef Struct_(Slice_Str8) { Str8* ptr; U4 len; };
#define slit(string_literal) (Str8){ (UTF8*) string_literal, S_(string_literal) - 1 }
typedef Struct_(Slice) { B1* ptr; U4 len; }; // Untyped Slice (byte-addressable; .len in elements)
typedef Struct_(Slice) { B1* ptr; U4 len; };
FI_ Slice slice_ut_(U4 ptr, U4 len) { return (Slice){(B1*)ptr, len}; }
#define Slice_(type) Struct_(tmpl(Slice,type)) { type* ptr; U4 len; }
typedef Slice_(B1);
#define slice_assert(s) do { assert((s).ptr != 0); assert((s).len > 0); } while(0)
#define slice_end(slice) ((slice).ptr + S_slice(slice) / S_(B1)) /* byte-ptr arithmetic; .len is in elements per slice convention */
#define slice_end(slice) ((slice).ptr + S_slice(slice) / S_(B1))
#define S_slice(s) ((s).len * S_((s).ptr[0]))
#define slice_ut(ptr,len) slice_ut_(u4_(ptr), u4_(len))
@@ -134,8 +134,7 @@ FI_ U4 farena_unused_start(FArena arena) { return arena.start + arena.used; }
#pragma region BIOS Scratchpad
/* BIOS scratchpad location. 1 KB at 0x1F800000.
* TapeHostFrame occupies the final 44 bytes while tape code executes.
* Atom scratch is bounded by the TapeHostFrame_Loc declaration in lottes_tape.h. */
* TapeHostFrame occupies the final 44 bytes while tape code executes. */
enum {
Scratchpad_Loc = 0x1F800000,
Scratchpad_Len = 0x400, /* 1 KB */