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simplification pass over os core layer; simplification pass over base arena; set up build.sh; stub out new spot for linux os core

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This commit is contained in:
Ryan Fleury
2024-07-15 17:23:01 -07:00
parent 6447a2a993
commit 1b74fb0760
58 changed files with 66001 additions and 66756 deletions
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src/base/base_arena.h
+80 -87
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@@ -1,87 +1,80 @@
// Copyright (c) 2024 Epic Games Tools
// Licensed under the MIT license (https://opensource.org/license/mit/)
#ifndef BASE_ARENA_H
#define BASE_ARENA_H
////////////////////////////////
//~ rjf: Constants
#define ARENA_HEADER_SIZE 128
#ifndef ARENA_RESERVE_SIZE
# define ARENA_RESERVE_SIZE MB(64)
#endif
#ifndef ARENA_COMMIT_SIZE
# define ARENA_COMMIT_SIZE KB(64)
#endif
#ifndef ARENA_RESERVE_SIZE_LARGE_PAGES
# define ARENA_RESERVE_SIZE_LARGE_PAGES MB(8)
#endif
#ifndef ARENA_COMMIT_SIZE_LARGE_PAGES
# define ARENA_COMMIT_SIZE_LARGE_PAGES MB(2)
#endif
////////////////////////////////
//~ rjf: Arena Types
typedef struct Arena Arena;
struct Arena
{
struct Arena *prev;
struct Arena *current;
U64 base_pos;
U64 pos;
U64 cmt;
U64 res;
U64 align;
B8 grow;
B8 large_pages;
};
typedef struct Temp Temp;
struct Temp
{
Arena *arena;
U64 pos;
};
////////////////////////////////
// Implementation
internal Arena* arena_alloc__sized(U64 init_res, U64 init_cmt);
internal Arena* arena_alloc(void);
internal void arena_release(Arena *arena);
internal void* arena_push__impl(Arena *arena, U64 size);
internal U64 arena_pos(Arena *arena);
internal void arena_pop_to(Arena *arena, U64 pos);
internal void arena_absorb(Arena *arena, Arena *sub);
////////////////////////////////
// Wrappers
internal void* arena_push(Arena *arena, U64 size);
internal void* arena_push_contiguous(Arena *arena, U64 size);
internal void arena_clear(Arena *arena);
internal void arena_push_align(Arena *arena, U64 align);
internal void arena_put_back(Arena *arena, U64 amt);
internal Temp temp_begin(Arena *arena);
internal void temp_end(Temp temp);
////////////////////////////////
//~ NOTE(allen): "Mini-Arena" Helper
internal B32 ensure_commit(void **cmt, void *pos, U64 cmt_block_size);
////////////////////////////////
//~ NOTE(allen): Main API Macros
#define push_array_no_zero(a,T,c) (T*)arena_push((a), sizeof(T)*(c))
#define push_array(a,T,c) (T*)MemoryZero(push_array_no_zero(a,T,c), sizeof(T)*(c))
#endif // BASE_ARENA_H
// Copyright (c) 2024 Epic Games Tools
// Licensed under the MIT license (https://opensource.org/license/mit/)
#ifndef BASE_ARENA_H
#define BASE_ARENA_H
////////////////////////////////
//~ rjf: Constants
#define ARENA_HEADER_SIZE 64
////////////////////////////////
//~ rjf: Types
typedef U32 ArenaFlags;
enum
{
ArenaFlag_NoChain = (1<<0),
ArenaFlag_LargePages = (1<<1),
};
typedef struct ArenaParams ArenaParams;
struct ArenaParams
{
ArenaFlags flags;
U64 reserve_size;
U64 commit_size;
void *optional_backing_buffer;
};
typedef struct Arena Arena;
struct Arena
{
Arena *prev; // previous arena in chain
Arena *current; // current arena in chain
ArenaFlags flags;
U32 cmt_size;
U64 res_size;
U64 base_pos;
U64 pos;
U64 cmt;
U64 res;
};
StaticAssert(sizeof(Arena) <= ARENA_HEADER_SIZE, arena_header_size_check);
typedef struct Temp Temp;
struct Temp
{
Arena *arena;
U64 pos;
};
////////////////////////////////
//~ rjf: Arena Functions
//- rjf: arena creation/destruction
internal Arena *arena_alloc_(ArenaParams *params);
#define arena_alloc(...) arena_alloc_(&(ArenaParams){.reserve_size = MB(64), .commit_size = KB(64), __VA_ARGS__})
internal void arena_release(Arena *arena);
//- rjf: arena push/pop/pos core functions
internal void *arena_push(Arena *arena, U64 size, U64 align);
internal U64 arena_pos(Arena *arena);
internal void arena_pop_to(Arena *arena, U64 pos);
//- rjf: arena push/pop helpers
internal void arena_clear(Arena *arena);
internal void arena_pop(Arena *arena, U64 amt);
//- rjf: temporary arena scopes
internal Temp temp_begin(Arena *arena);
internal void temp_end(Temp temp);
//- rjf: push helper macros
#define push_array_no_zero_aligned(a, T, c, align) (T *)arena_push((a), sizeof(T)*(c), (align))
#define push_array_aligned(a, T, c, align) (T *)MemoryZero(push_array_no_zero_aligned(a, T, c, align), sizeof(T)*(c))
#define push_array_no_zero(a, T, c) push_array_no_zero_aligned(a, T, c, Max(8, AlignOf(T)))
#define push_array(a, T, c) push_array_aligned(a, T, c, Max(8, AlignOf(T)))
#endif // BASE_ARENA_H