while(1);
}
+typedef struct _ppc_map_set_t {
+ int mapsize;
+ int usecount;
+ ppc_map_info_t *info;
+} ppc_map_set_t;
+
+VOID
+NTAPI
+FrLdrAddPageMapping(ppc_map_set_t *set, int proc, paddr_t phys, vaddr_t virt)
+{
+ int j;
+ paddr_t page = ROUND_DOWN(phys, (1<<PFN_SHIFT));
+ if (virt == 0)
+ virt = page;
+ else
+ virt = ROUND_DOWN(virt, (1<<PFN_SHIFT));
+
+ for( j = 0; j < set->usecount; j++ )
+ {
+ if(set->info[j].addr == page) return;
+ }
+
+ if (!set->mapsize)
+ {
+ set->mapsize = 0x80;
+ set->info = MmAllocateMemory(0x80 * sizeof(*set->info));
+ }
+ else if (set->mapsize <= set->usecount)
+ {
+ ppc_map_info_t *newinfo = MmAllocateMemory(set->mapsize * 2 * sizeof(*set->info));
+ memcpy(newinfo, set->info, set->mapsize * sizeof(*set->info));
+ MmFreeMemory(set->info);
+ set->info = newinfo;
+ set->mapsize *= 2;
+ }
+
+ set->info[set->usecount].flags = MMU_ALL_RW;
+ set->info[set->usecount].proc = proc;
+ set->info[set->usecount].addr = virt;
+ set->info[set->usecount].phys = page;
+ set->usecount++;
+}
+
VOID
NTAPI
FrLdrStartup(ULONG Magic)
{
- ULONG_PTR i, j, page, count;
+ ULONG_PTR i, tmp;
PCHAR ModHeader;
boot_infos_t *LocalBootInfo = &BootInfo;
LocalBootInfo->dispFont = (font_char *)&LocalBootInfo[1];
LoaderBlock.ArchExtra = (ULONG)LocalBootInfo;
- ppc_map_info_t *info = MmAllocateMemory(0x80 * sizeof(*info));
-
- printf("FrLdrStartup(KernelEntry = %x)\n", KernelEntryPoint);
+ ppc_map_set_t memmap = { };
for(i = 0; i < LoaderBlock.ModsCount; i++)
{
(PCHAR)reactos_modules[i].String);
}
- printf("PpcInitializeMmu\n");
+ /* We don't use long longs, but longs for the addresses in the
+ * ADDRESS_RANGE structure. Swap the quad halves of our memory
+ * map.
+ */
+ for( i = 0;
+ i < reactos_memory_map_descriptor_size / sizeof(reactos_memory_map[0]);
+ i++ )
+ {
+ tmp = reactos_memory_map[i].base_addr_high;
+ reactos_memory_map[i].base_addr_high = reactos_memory_map[i].base_addr_low;
+ reactos_memory_map[i].base_addr_low = tmp;
+ tmp = reactos_memory_map[i].length_high;
+ reactos_memory_map[i].length_high = reactos_memory_map[i].length_low;
+ reactos_memory_map[i].length_low = tmp;
+ }
+
PpcInitializeMmu(0);
- printf("PpcInitializeMmu done\n");
/* We'll use vsid 1 for freeldr (expendable) */
MmuAllocVsid(1, 0xff);
- printf("(1)\n");
MmuSetVsid(0, 8, 1);
- printf("(2)\n");
MmuAllocVsid(0, 0xff00);
- printf("(3)\n");
MmuSetVsid(8, 16, 0);
- printf("(4)\n");
-
- printf("MmuSetTrapHandler\n");
- MmuSetTrapHandler(3, MmuPageMiss);
- MmuSetTrapHandler(4, MmuPageMiss);
- printf("MmuSetTrapHandler done\n");
-
- info = MmAllocateMemory((KernelMemorySize >> PAGE_SHIFT) * sizeof(*info));
- printf("page info at %x\n", info);
/* Map kernel space 0x80000000 ... */
- for( i = (ULONG)KernelMemory, page = 0;
+ for( i = (ULONG)KernelMemory;
i < (ULONG)KernelMemory + KernelMemorySize;
- i += (1<<PFN_SHIFT), page++ ) {
- info[page].proc = 0;
- info[page].addr = KernelBase + (page << PAGE_SHIFT);
- info[page].phys = i; //PpcVirt2phys(i, 1);
- info[page].flags = MMU_ALL_RW;
+ i += (1<<PFN_SHIFT) ) {
+
+ FrLdrAddPageMapping(&memmap, 0, i, KernelBase + i - (ULONG)KernelMemory);
}
- printf("Adding page info (%d pages)\n", page);
- MmuMapPage(info, page);
- printf("Adding page info (%d pages) ... done\n", page);
-
/* Map module name strings */
- for( count = 0, i = 0; i < LoaderBlock.ModsCount; i++ )
+ for( i = 0; i < LoaderBlock.ModsCount; i++ )
{
- printf("Checking string %s\n", reactos_modules[i].String);
- page = ROUND_DOWN(((ULONG)reactos_modules[i].String), (1<<PFN_SHIFT));
- for( j = 0; j < count; j++ )
- {
- if(info[j].addr == page) break;
- }
- if( j != count )
- {
- printf("Mapping page %x containing string %s\n",
- page, reactos_modules[i].String);
- info[count].flags = MMU_ALL_RW;
- info[count].proc = 1;
- info[count].addr = page;
- info[count].phys = page; // PpcVirt2phys(page, 0);
- count++;
- }
+ FrLdrAddPageMapping(&memmap, 1, (ULONG)reactos_modules[i].String, 0);
}
- page = ROUND_DOWN((vaddr_t)&LoaderBlock, (1 << PAGE_SHIFT));
- for( j = 0; j < count; j++ )
- {
- if(info[j].addr == page) break;
- }
+ /* Map memory zones */
+ FrLdrAddPageMapping(&memmap, 1, (vaddr_t)&reactos_memory_map_descriptor_size, 0);
+ FrLdrAddPageMapping(&memmap, 1, (vaddr_t)&LoaderBlock, 0);
- if( j != count )
- {
- info[count].flags = MMU_ALL_RW;
- info[count].proc = 1;
- info[count].addr = page;
- info[count].phys = page; // PpcVirt2phys(page, 0);
- count++;
- }
- printf("Mapping module name strings\n");
- MmuMapPage(info, count);
- printf("Module name strings mapped\n");
+ MmuMapPage(memmap.info, memmap.usecount);
- printf("MmuTurnOn(KernelEntry = %x)\n", KernelEntryPoint);
MmuTurnOn((KernelEntryFn)KernelEntryPoint, (void*)&LoaderBlock);
- printf("MAED OF FALE!!1\n");
/* Nothing more */
while(1);
MemLoadAddr = (PCHAR)NextModuleBase;
ModuleData = &reactos_modules[LoaderBlock.ModsCount];
- printf("Loading file (elf at %x)\n", KernelAddr);
+ //printf("Loading file (elf at %x)\n", KernelAddr);
/* Load the first 1024 bytes of the kernel image so we can read the PE header */
if (!FsReadFile(KernelImage, sizeof(ehdr), NULL, &ehdr)) {
FsSetFilePointer(KernelImage, ehdr.e_shoff);
FsReadFile(KernelImage, shsize * shnum, NULL, sptr);
- printf("Loaded section headers\n");
-
/* Now we'll get the PE Header */
for( i = 0; i < shnum; i++ )
{
FsReadFile(KernelImage, shdr->sh_size, NULL, MemLoadAddr);
ImageHeader = (PIMAGE_DOS_HEADER)MemLoadAddr;
NtHeader = (PIMAGE_NT_HEADERS)((PCHAR)MemLoadAddr + SWAPD(ImageHeader->e_lfanew));
+#if 0
printf("NtHeader at %x\n", SWAPD(ImageHeader->e_lfanew));
printf("SectionAlignment %x\n",
SWAPD(NtHeader->OptionalHeader.SectionAlignment));
SectionAddr = ROUND_UP
(shdr->sh_size, SWAPD(NtHeader->OptionalHeader.SectionAlignment));
printf("Header ends at %x\n", SectionAddr);
+#endif
break;
}
}
printf("No peheader section encountered :-(\n");
return 0;
}
+#if 0
else
{
printf("DOS SIG: %s\n", (PCHAR)MemLoadAddr);
}
+#endif
/* Save the Image Base */
NtHeader->OptionalHeader.ImageBase = SWAPD(KernelAddr);
Section = COFF_FIRST_SECTION(NtHeader);
SectionCount = SWAPW(NtHeader->FileHeader.NumberOfSections);
- printf("Section headers at %x\n", Section);
-
/* Walk each section */
for (i=0; i < SectionCount; i++, Section++)
{
ModuleData->ModEnd = NextModuleBase;
ModuleData->String = (ULONG)MmAllocateMemory(strlen(ImageName)+1);
strcpy((PCHAR)ModuleData->String, ImageName);
+#if 0
printf("Module %s (%x-%x) next at %x\n",
ModuleData->String,
ModuleData->ModStart,
ModuleData->ModEnd,
NextModuleBase);
+#endif
LoaderBlock.ModsCount++;
/* Return Success */
/* Allocate kernel memory */
KernelMemory = MmAllocateMemory(KernelMemorySize);
- printf("Kernel Memory @%x\n", (int)KernelMemory);
return FrLdrMapModule(KernelImage, "ntoskrnl.exe", KernelMemory, KernelBase);
}
ModuleData->ModStart = NextModuleBase;
ModuleData->ModEnd = NextModuleBase + LocalModuleSize;
- printf("Module size %x len %x name %s\n",
- ModuleData->ModStart,
- ModuleData->ModEnd - ModuleData->ModStart,
- ModuleName);
-
/* Save name */
strcpy(NameBuffer, ModuleName);
ModuleData->String = (ULONG_PTR)NameBuffer;
char reactos_kernel_cmdline[255]; // Command line passed to kernel
LOADER_MODULE reactos_modules[64]; // Array to hold boot module info loaded for the kernel
char reactos_module_strings[64][256]; // Array to hold module names
-unsigned long reactos_memory_map_descriptor_size;
-memory_map_t reactos_memory_map[32]; // Memory map
+// Make this a single struct to guarantee that these elements are nearby in
+// memory.
+reactos_mem_data_t reactos_mem_data;
ARC_DISK_SIGNATURE reactos_arc_disk_info[32]; // ARC Disk Information
char reactos_arc_strings[32][256];
unsigned long reactos_disk_count = 0;
if (rc != ERROR_SUCCESS) OrderList[0] = 0;
/* enumerate all drivers */
- for (TagIndex = 1; TagIndex <= OrderList[0]; TagIndex++) {
+ for (TagIndex = 1; TagIndex <= SWAPD(OrderList[0]); TagIndex++) {
Index = 0;
LoaderBlock.MmapLength = (unsigned long)MachGetMemoryMap((PBIOS_MEMORY_MAP)reactos_memory_map, 32) * sizeof(memory_map_t);
if (LoaderBlock.MmapLength)
{
+#ifdef _M_IX86
ULONG i;
+#endif
LoaderBlock.Flags |= MB_FLAGS_MEM_INFO | MB_FLAGS_MMAP_INFO;
LoaderBlock.MmapAddr = (unsigned long)&reactos_memory_map;
reactos_memory_map_descriptor_size = sizeof(memory_map_t); // GetBiosMemoryMap uses a fixed value of 24
+#ifdef _M_IX86
for (i=0; i<(LoaderBlock.MmapLength/sizeof(memory_map_t)); i++)
{
if (BiosMemoryUsable == reactos_memory_map[i].type &&
LoaderBlock.MemHigher = (reactos_memory_map[i].base_addr_low + reactos_memory_map[i].length_low) / 1024 - 1024;
}
}
+#endif
}
/*
LoadBase = FrLdrLoadImage(szKernelName, 5, 1);
if (!LoadBase) return;
+ printf("Kernel loaded at %x\n", LoadBase);
+
/* Get the NT header, kernel base and kernel entry */
NtHeader = RtlImageNtHeader(LoadBase);
- KernelBase = NtHeader->OptionalHeader.ImageBase;
- KernelEntryPoint = KernelBase + NtHeader->OptionalHeader.AddressOfEntryPoint;
+ KernelBase = SWAPD(NtHeader->OptionalHeader.ImageBase);
+ KernelEntryPoint = KernelBase + SWAPD(NtHeader->OptionalHeader.AddressOfEntryPoint);
+ printf("KernelEntryPoint is %x (base %x)\n", KernelEntryPoint, KernelBase);
LoaderBlock.KernelBase = KernelBase;
/*
/*
* Load boot drivers
*/
+ printf("FrLdrLoadBootDrivers\n");
FrLdrLoadBootDrivers(szBootPath, 40);
+ printf("FrLdrLoadBootDrivers end\n");
//UiUnInitialize("Booting ReactOS...");
/*
* Now boot the kernel
*/
DiskStopFloppyMotor();
+ printf("MachVideoPrepareForReactOS\n");
MachVideoPrepareForReactOS(FALSE);
+ printf("FrLdrStartup\n");
FrLdrStartup(0x2badb002);
}
projects / reactos.git / commitdiff