| /kernel/branches/Kolibri-A/trunk/bus/pci/PCIe.inc |
|---|
| 28,13 → 28,14 |
| ; |
| ;*************************************************************************** |
| mmio_pcie_cfg_addr dd 0x00000000 ; pcie space may be defined here |
| mmio_pcie_cfg_lim dd 0x000FFFFF ; upper pcie space address |
| mmio_pcie_cfg_addr dd 0x0 ; intel pcie space may be defined here |
| mmio_pcie_cfg_lim dd 0x0 ; upper pcie space address |
| align 4 |
| pci_ext_config: |
| mov ebx, [mmio_pcie_cfg_addr] |
| or ebx,ebx |
| jz @f |
| 98,8 → 99,8 |
| .pcie_cfg_mapped: |
| ; -- glad to have the extended PCIe config field found |
| mov esi, boot_pcie_ok |
| call boot_log |
| ; mov esi, boot_pcie_ok |
| ; call boot_log |
| ret ; <<<<<<<<<<< OK >>>>>>>>>>> |
| .no_pcie_cfg: |
| 111,7 → 112,7 |
| cmp bl, 0xC0 ; MMIO regs lay below this offset |
| jb .check_HT_mmio |
| .pcie_failed: |
| mov esi, boot_pcie_fail |
| call boot_log |
| ; mov esi, boot_pcie_fail |
| ; call boot_log |
| ret ; <<<<<<<<< FAILURE >>>>>>>>> |
| /kernel/branches/Kolibri-A/trunk/bus/pci/pci32.inc |
|---|
| 378,6 → 378,7 |
| dec eax |
| ret |
| if defined mmio_pci_addr ; must be set above |
| ;*************************************************************************** |
| ; Function |
| ; pci_mmio_init |
| 387,11 → 388,15 |
| ; Returns eax = phys. address of user-accessible DMA block |
| ; Error codes |
| ; eax = -1 : PCI user access blocked, |
| ; eax = -2 : device not registered for uMMIO service |
| ; eax = -3 : user heap initialization failure |
| ;*************************************************************************** |
| pci_mmio_init: |
| mov [mmio_pci_addr],bx |
| cmp bx, [mmio_pci_addr] |
| jz @f |
| mov eax,-2 |
| ret |
| @@: |
| call init_heap ; (if not initialized yet) |
| or eax,eax |
| jz @f |
| 516,6 → 521,8 |
| stdcall user_free, ebx |
| ret |
| end if |
| ;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
| uglobal |
| align 4 |