linux, pmm: Get a boot with 32-bit UEFI. Addresses #185
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0c7be49731
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@ -21,7 +21,7 @@ bool allocations_disallowed = true;
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static void sanitise_entries(struct e820_entry_t *, size_t *, bool);
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void *conv_mem_alloc(size_t count) {
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static uintptr_t base = 4096;
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static uint64_t base = 4096;
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if (allocations_disallowed)
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panic(false, "Memory allocations disallowed");
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@ -295,7 +295,7 @@ void init_memmap(void) {
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// Allocate bootloader itself
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memmap_alloc_range(4096,
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ALIGN_UP((uintptr_t)bss_end, 4096) - 4096, MEMMAP_BOOTLOADER_RECLAIMABLE, true, true, false, false);
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ALIGN_UP((uint64_t)bss_end, 4096) - 4096, MEMMAP_BOOTLOADER_RECLAIMABLE, true, true, false, false);
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sanitise_entries(memmap, &memmap_entries, false);
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@ -413,10 +413,10 @@ void init_memmap(void) {
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memcpy(untouched_memmap, memmap, memmap_entries * sizeof(struct e820_entry_t));
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untouched_memmap_entries = memmap_entries;
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size_t bootloader_size = ALIGN_UP((uintptr_t)__image_end - (uintptr_t)__image_base, 4096);
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size_t bootloader_size = ALIGN_UP((uint64_t)__image_end - (uint64_t)__image_base, 4096);
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// Allocate bootloader itself
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memmap_alloc_range((uintptr_t)__image_base, bootloader_size,
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memmap_alloc_range((uint64_t)__image_base, bootloader_size,
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MEMMAP_BOOTLOADER_RECLAIMABLE, false, true, false, true);
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sanitise_entries(memmap, &memmap_entries, false);
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@ -459,10 +459,10 @@ another_recl:;
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for (size_t i = 0; i < efi_mmap_entry_count; i++) {
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EFI_MEMORY_DESCRIPTOR *entry = (void *)efi_mmap + i * efi_desc_size;
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uintptr_t base = recl->base;
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uintptr_t top = base + recl->length;
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uintptr_t efi_base = entry->PhysicalStart;
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uintptr_t efi_size = entry->NumberOfPages * 4096;
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uint64_t base = recl->base;
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uint64_t top = base + recl->length;
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uint64_t efi_base = entry->PhysicalStart;
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uint64_t efi_size = entry->NumberOfPages * 4096;
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if (efi_base < base) {
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if (efi_size <= base - efi_base)
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@ -471,7 +471,7 @@ another_recl:;
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efi_base = base;
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}
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uintptr_t efi_top = efi_base + efi_size;
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uint64_t efi_top = efi_base + efi_size;
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if (efi_top > top) {
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if (efi_size <= efi_top - top)
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@ -543,11 +543,11 @@ another_recl:;
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continue;
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}
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uintptr_t base = m[i].base;
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uintptr_t top = base + m[i].length;
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uintptr_t efi_base = entry->PhysicalStart;
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uintptr_t efi_size = entry->NumberOfPages * 4096;
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uintptr_t efi_top = efi_base + efi_size;
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uint64_t base = m[i].base;
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uint64_t top = base + m[i].length;
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uint64_t efi_base = entry->PhysicalStart;
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uint64_t efi_size = entry->NumberOfPages * 4096;
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uint64_t efi_top = efi_base + efi_size;
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if (!(base >= efi_base && base < efi_top
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&& top > efi_base && top <= efi_top))
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@ -603,7 +603,7 @@ void pmm_free(void *ptr, size_t count) {
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count = ALIGN_UP(count, 4096);
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if (allocations_disallowed)
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panic(false, "Memory allocations disallowed");
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memmap_alloc_range((uintptr_t)ptr, count, MEMMAP_USABLE, false, false, false, true);
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memmap_alloc_range((uint64_t)ptr, count, MEMMAP_USABLE, false, false, false, true);
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}
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void *ext_mem_alloc(size_t count) {
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@ -575,11 +575,8 @@ set_textmode:;
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#if uefi == 1
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efi_exit_boot_services();
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#if defined (__i386__)
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memcpy(&boot_params->efi_info.efi_loader_signature, "EL32", 4);
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#elif defined (__x86_64__)
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memcpy(&boot_params->efi_info.efi_loader_signature, "EL64", 4);
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#endif
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#if defined (__x86_64__)
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memcpy(&boot_params->efi_info.efi_loader_signature, "EL64", 4);
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boot_params->efi_info.efi_systab = (uint32_t)(uint64_t)(uintptr_t)gST;
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boot_params->efi_info.efi_systab_hi = (uint32_t)((uint64_t)(uintptr_t)gST >> 32);
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@ -588,6 +585,7 @@ set_textmode:;
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boot_params->efi_info.efi_memmap_size = efi_mmap_size;
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boot_params->efi_info.efi_memdesc_size = efi_desc_size;
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boot_params->efi_info.efi_memdesc_version = efi_desc_ver;
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#endif
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#endif
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///////////////////////////////////////
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@ -599,12 +597,15 @@ set_textmode:;
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size_t mmap_entries;
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struct e820_entry_t *mmap = get_raw_memmap(&mmap_entries);
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boot_params->e820_entries = mmap_entries;
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for (size_t i = 0; i < mmap_entries; i++) {
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e820_table[i].addr = mmap[i].base;
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e820_table[i].size = mmap[i].length;
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e820_table[i].type = mmap[i].type;
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for (size_t i = 0, j = 0; i < mmap_entries; i++) {
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if (mmap[i].type >= 0x1000) {
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continue;
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}
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e820_table[j].addr = mmap[i].base;
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e820_table[j].size = mmap[i].length;
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e820_table[j].type = mmap[i].type;
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j++;
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boot_params->e820_entries = j;
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}
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///////////////////////////////////////
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