69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
// tiny_route_env_box.h - Route snapshot for Tiny front (Heap vs Legacy)
|
||
// 役割:
|
||
// - 起動時に「各クラスが TinyHeap を使うか」をスナップショットし、ホットパスでは LUT 1 回に縮約する。
|
||
// - HAKMEM_TINY_HEAP_PROFILE / HAKMEM_TINY_HEAP_BOX / HAKMEM_TINY_HEAP_CLASSES の組合せをここで解決する。
|
||
#pragma once
|
||
|
||
#include <stdint.h>
|
||
#include <stdlib.h>
|
||
#include "../hakmem_tiny_config.h"
|
||
#include "tiny_heap_env_box.h"
|
||
|
||
#include "smallobject_hotbox_v3_env_box.h"
|
||
#include "smallobject_hotbox_v4_env_box.h"
|
||
|
||
typedef enum {
|
||
TINY_ROUTE_LEGACY = 0,
|
||
TINY_ROUTE_HEAP = 1, // TinyHeap v1
|
||
TINY_ROUTE_HOTHEAP_V2 = 2, // TinyHotHeap v2
|
||
TINY_ROUTE_SMALL_HEAP_V3 = 3, // SmallObject HotHeap v3 (C7-first,研究箱)
|
||
TINY_ROUTE_SMALL_HEAP_V4 = 4, // SmallObject HotHeap v4 (stub, route未使用)
|
||
} tiny_route_kind_t;
|
||
|
||
extern tiny_route_kind_t g_tiny_route_class[TINY_NUM_CLASSES];
|
||
extern int g_tiny_route_snapshot_done;
|
||
|
||
static inline void tiny_route_snapshot_init(void) {
|
||
for (int i = 0; i < TINY_NUM_CLASSES; i++) {
|
||
if (small_heap_v4_class_enabled((uint8_t)i)) {
|
||
g_tiny_route_class[i] = TINY_ROUTE_SMALL_HEAP_V4;
|
||
} else if (small_heap_v3_class_enabled((uint8_t)i)) {
|
||
g_tiny_route_class[i] = TINY_ROUTE_SMALL_HEAP_V3;
|
||
} else if (tiny_hotheap_v2_class_enabled((uint8_t)i)) {
|
||
g_tiny_route_class[i] = TINY_ROUTE_HOTHEAP_V2;
|
||
} else if (tiny_heap_box_enabled() && tiny_heap_class_route_enabled(i)) {
|
||
g_tiny_route_class[i] = TINY_ROUTE_HEAP;
|
||
} else {
|
||
g_tiny_route_class[i] = TINY_ROUTE_LEGACY;
|
||
}
|
||
}
|
||
g_tiny_route_snapshot_done = 1;
|
||
}
|
||
|
||
static inline tiny_route_kind_t tiny_route_for_class(uint8_t ci) {
|
||
if (__builtin_expect(!g_tiny_route_snapshot_done, 0)) {
|
||
tiny_route_snapshot_init();
|
||
}
|
||
if (__builtin_expect(ci >= TINY_NUM_CLASSES, 0)) {
|
||
return TINY_ROUTE_LEGACY;
|
||
}
|
||
return g_tiny_route_class[ci];
|
||
}
|
||
|
||
static inline int tiny_route_is_heap_kind(tiny_route_kind_t route) {
|
||
return route == TINY_ROUTE_HEAP ||
|
||
route == TINY_ROUTE_HOTHEAP_V2 ||
|
||
route == TINY_ROUTE_SMALL_HEAP_V3 ||
|
||
route == TINY_ROUTE_SMALL_HEAP_V4;
|
||
}
|
||
|
||
// C7 front が TinyHeap を使うか（Route snapshot 経由で判定）
|
||
static inline int tiny_c7_front_uses_heap(void) {
|
||
return tiny_route_is_heap_kind(tiny_route_for_class(7));
|
||
}
|
||
|
||
// C6 front が TinyHeap を使うか（Route snapshot 経由で判定）
|
||
static inline int tiny_c6_front_uses_heap(void) {
|
||
return tiny_route_is_heap_kind(tiny_route_for_class(6));
|
||
}
|