diff options
| author | Oliver McFadden <z3ro.geek@gmail.com> | 2007-11-12 15:50:48 +0000 |
|---|---|---|
| committer | Oliver McFadden <z3ro.geek@gmail.com> | 2007-11-12 15:50:48 +0000 |
| commit | 79367da0f7205987a0618a31b03269e4217fe503 (patch) | |
| tree | e5b6c5bb5c3c1984835e487bff7226359da6c625 | |
| parent | f4ae1aa409ef1fe72840ce927e802209a9695250 (diff) | |
Cleaned up and renamed the GART address translation function.
| -rw-r--r-- | src/revenge_memory.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/revenge_memory.c b/src/revenge_memory.c index 587a84f..0366acd 100644 --- a/src/revenge_memory.c +++ b/src/revenge_memory.c @@ -50,26 +50,26 @@ memory_read_agp (unsigned int addr, unsigned int size) } static unsigned int -memory_gart_to_phys (unsigned int addr) +memory_virt_to_phys (unsigned int virt_addr) { - int num; + unsigned int page_num; unsigned int phys_addr; - num = (addr - pcigart_start) / ATI_PCIGART_PAGE_SIZE; - - assert ((pcigart_mem_map[num] & 0xc) == 0xc); + page_num = (virt_addr - pcigart_start) / ATI_PCIGART_PAGE_SIZE; switch (option_interface) { case INTERFACE_IGP: case INTERFACE_RS690: - phys_addr = pcigart_mem_map[num] & ~0xc; + assert ((pcigart_mem_map[page_num] & 0xc) == 0xc); + phys_addr = pcigart_mem_map[page_num] & ~0xc; break; case INTERFACE_PCI: - phys_addr = pcigart_mem_map[num]; + phys_addr = pcigart_mem_map[page_num]; break; case INTERFACE_PCI_E: - phys_addr = (pcigart_mem_map[num] & ~0xc) << 8; + assert ((pcigart_mem_map[page_num] & 0xc) == 0xc); + phys_addr = (pcigart_mem_map[page_num] & ~0xc) << 8; break; default: assert (0); @@ -80,8 +80,8 @@ memory_gart_to_phys (unsigned int addr) if (option_debug && option_verbose) { - printf ("%s: addr = 0x%08x phys_addr = 0x%08x (%d)\n", __func__, - addr, phys_addr, num); + printf ("%s: virt_addr = 0x%08x page_num = 0x%08x phys_addr = 0x%08x\n", + __func__, virt_addr, page_num, phys_addr); } return phys_addr; @@ -124,7 +124,7 @@ memory_read_pcigart (unsigned int addr, unsigned int size) if ((page_mem_map = mmap (NULL, ATI_PCIGART_PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, mem_fd, - memory_gart_to_phys (start_page_addr))) == MAP_FAILED) + memory_virt_to_phys (start_page_addr))) == MAP_FAILED) { fprintf (stderr, "%s: %s\n", program_invocation_short_name, strerror (errno)); |