| /kernel/trunk/core/exports.inc |
|---|
| 39,7 → 39,9 |
| szUserFree db 'UserFree',0 |
| szKmalloc db 'Kmalloc',0 |
| szKfree db 'Kfree',0 |
| szCreateRingBuffer db 'CreateRingBuffer',0 |
| szGetPid db 'GetPid',0 |
| szCreateObject db 'CreateObject',0 |
| szDestroyObject db 'DestroyObject',0 |
| szCreateEvent db 'CreateEvent',0 |
| 101,7 → 103,9 |
| dd szUserFree , user_free |
| dd szKmalloc , malloc |
| dd szKfree , free |
| dd szCreateRingBuffer, create_ring_buffer |
| dd szGetPid , get_pid |
| dd szCreateObject , create_kernel_object |
| dd szDestroyObject , destroy_kernel_object |
| dd szCreateEvent , create_event |
| /kernel/trunk/core/memory.inc |
|---|
| 1085,7 → 1085,59 |
| ret |
| endp |
| align 4 |
| proc create_ring_buffer stdcall, size:dword, flags:dword |
| locals |
| buf_ptr dd ? |
| endl |
| mov eax, [size] |
| test eax, eax |
| jz .fail |
| add eax, eax |
| stdcall alloc_kernel_space, eax |
| test eax, eax |
| jz .fail |
| mov [buf_ptr], eax |
| mov ebx, [size] |
| shr ebx, 12 |
| push ebx |
| stdcall alloc_pages, ebx |
| pop ecx |
| test eax, eax |
| jz .mm_fail |
| or eax, [flags] |
| mov edi, [buf_ptr] |
| mov ebx, [buf_ptr] |
| mov edx, ecx |
| shl edx, 2 |
| shr edi, 10 |
| @@: |
| mov [page_tabs+edi], eax |
| mov [page_tabs+edi+edx], eax |
| invlpg [ebx] |
| invlpg [ebx+esi] |
| add eax, 0x1000 |
| add ebx, 0x1000 |
| add edi, 4 |
| dec ecx |
| jnz @B |
| mov eax, [buf_ptr] |
| ret |
| .mm_fail: |
| stdcall free_kernel_space, [buf_ptr] |
| xor eax, eax |
| .fail: |
| ret |
| endp |
| if 0 |
| push eax |
| push edx |
| /kernel/trunk/core/taskman.inc |
|---|
| 544,6 → 544,12 |
| ret |
| endp |
| align 4 |
| get_pid: |
| mov eax, [TASK_DATA] |
| mov eax, [eax+4] |
| ret |
| pid_to_slot: |
| ;Input: |
| ; eax - pid of process |