| /kernel/trunk/core/memory.inc |
|---|
| 264,7 → 264,53 |
| ret |
| endp |
| ; param |
| ; ecx= size |
| ; eax= base |
| align 4 |
| release_pages: |
| mov ebx, pg_data.pg_mutex |
| call wait_mutex ;ebx |
| shr ecx, 12 |
| mov esi, eax |
| mov edi, eax |
| shr esi, 10 |
| add esi, pages_tab |
| mov ebx, [page_start] |
| mov edx, sys_pgmap |
| @@: |
| xor eax, eax |
| xchg eax, [esi] |
| invlpg [edi] |
| test eax, 1 |
| jz .next |
| shr eax, 12 |
| bts [edx], eax |
| inc [pg_data.pages_free] |
| shr eax, 3 |
| and eax, -4 |
| add eax, edx |
| cmp eax, ebx |
| jae .next |
| mov ebx, eax |
| .next: |
| add edi, 0x1000 |
| add esi, 4 |
| dec ecx |
| jnz @B |
| and [pg_data.pg_mutex],0 |
| ret |
| align 4 |
| proc map_page_table stdcall, lin_addr:dword, phis_addr:dword |
| mov ebx, [lin_addr] |
| shr ebx, 22 |
| 1317,6 → 1363,8 |
| mem_block_arr rd 1 |
| mem_block_start rd 1 |
| mem_block_end rd 1 |
| heap_mutex rd 1 |
| heap_size rd 1 |
| heap_free rd 1 |
| heap_blocks rd 1 |