| 114 | namespace lh { |
| 115 | |
| 116 | bool InitNativeHeap() { |
| 117 | auto* mem = rex::system::kernel_memory(); |
| 118 | if (!mem) { |
| 119 | REXLOG_ERROR("InitNativeHeap: kernel_memory() is null"); |
| 120 | return false; |
| 121 | } |
| 122 | |
| 123 | g_membase = mem->virtual_membase(); |
| 124 | |
| 125 | uint32_t guest_base = mem->SystemHeapAlloc(kHeapSize); |
| 126 | if (!guest_base) { |
| 127 | REXLOG_ERROR("InitNativeHeap: SystemHeapAlloc({}) failed", kHeapSize); |
| 128 | return false; |
| 129 | } |
| 130 | |
| 131 | uint8_t* host_base = mem->TranslateVirtual<uint8_t*>(guest_base); |
| 132 | g_arena_base = guest_base; |
| 133 | g_arena_end = guest_base + kHeapSize; |
| 134 | REXLOG_INFO("InitNativeHeap: guest=0x{:08X}-0x{:08X} host={} size={}MB", |
| 135 | g_arena_base, g_arena_end, (void*)host_base, kHeapSize / (1024 * 1024)); |
| 136 | |
| 137 | g_mspace = create_mspace_with_base(host_base, kHeapSize, 1); |
| 138 | if (!g_mspace) { |
| 139 | REXLOG_ERROR("InitNativeHeap: create_mspace_with_base failed"); |
| 140 | mem->SystemHeapFree(guest_base); |
| 141 | return false; |
| 142 | } |
| 143 | |
| 144 | mspace_set_footprint_limit(g_mspace, kHeapSize); |
| 145 | |
| 146 | REXLOG_INFO("InitNativeHeap: dlmalloc mspace ready"); |
| 147 | return true; |
| 148 | } |
| 149 | |
| 150 | } // namespace lh |