platform/pc/memory.cpp

87     void* seq;
179     e820_range_seq_t* seq = (e820_range_seq_t*)(range->seq);
180     seq->index = -1;
184     e820_range_seq_t* seq = (e820_range_seq_t*)(range->seq);
186     seq->index++;
188     if (seq->index == seq->count) {
194     e820entry_t* entry = &seq->map[seq->index];
201 static zx_status_t e820_range_init(boot_addr_range_t* range, e820_range_seq_t* seq) {
202     range->seq = seq;
207         seq->count = static_cast<int>(bootloader.e820_count);
208         seq->map = static_cast<e820entry_t*>(bootloader.e820_table);
226     efi_range_seq_t* seq = (efi_range_seq_t*)(range->seq);
227     seq->index = -1;
252     efi_range_seq_t* seq = (efi_range_seq_t*)(range->seq);
254     seq->index++;
256     if (seq->index == seq->count) {
262     const uintptr_t addr = reinterpret_cast<uintptr_t>(seq->base) + (seq->index * seq->entrysz);
271     while ((seq->index + 1) < seq->count) {
272         const uintptr_t addr = reinterpret_cast<uintptr_t>(seq->base) +
273                                ((seq->index + 1) * seq->entrysz);
283         seq->index++;
287 static zx_status_t efi_range_init(boot_addr_range_t* range, efi_range_seq_t* seq) {
288     range->seq = seq;
294         seq->entrysz = *((uint64_t*)bootloader.efi_mmap);
295         if (seq->entrysz < sizeof(efi_memory_descriptor)) {
299         seq->count = static_cast<int>((bootloader.efi_mmap_size - sizeof(uint64_t)) / seq->entrysz);
300         seq->base = reinterpret_cast<void*>(
319     multiboot_range_seq_t* seq = (multiboot_range_seq_t*)(range->seq);
320     seq->index = -1;
324     multiboot_range_seq_t* seq = (multiboot_range_seq_t*)(range->seq);
326     if (seq->mmap) {
328         seq->index++;
330         if (seq->index == seq->count) {
335         memory_map_t* entry = &seq->mmap[seq->index];
359         range->size = seq->info->mem_upper * 1024U;
366                                         multiboot_range_seq_t* seq) {
369     range->seq = seq;
378     seq->info = (multiboot_info_t*)X86_PHYS_TO_VIRT(_multiboot_info);
379     seq->mmap = NULL;
380     seq->count = 0;
384     if ((seq->info->flags & MB_INFO_MMAP) && (seq->info->mmap_addr != 0) && (seq->info->mmap_length > 0)) {
386         void* mmap_addr = (void*)X86_PHYS_TO_VIRT(seq->info->mmap_addr);
389         seq->mmap = (memory_map_t*)(uintptr_t)(mmap_addr);
390         seq->count = static_cast<int>(seq->info->mmap_length / sizeof(memory_map_t));
396     if (seq->info->flags & MB_INFO_MEM_SIZE) {