| 35,39 → 35,101 |
|---|
| #include <panic.h> |
| #include <debug.h> |
| #include <align.h> |
| #include <macros.h> |
| |
| #include <print.h> |
| #include <console/cmd.h> |
| #include <console/kconsole.h> |
| |
| |
| size_t hardcoded_unmapped_ktext_size = 0; |
| size_t hardcoded_unmapped_kdata_size = 0; |
| |
| __address last_frame = 0; |
| |
| static void init_e820_memory(pfn_t minconf) |
| { |
| int i; |
| pfn_t start, size,conf; |
| |
| for (i = 0; i < e820counter; i++) { |
| if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) { |
| start = ADDR2PFN(ALIGN_UP(e820table[i].base_address, |
| FRAME_SIZE)); |
| size = SIZE2PFN(ALIGN_DOWN(e820table[i].size, |
| FRAME_SIZE)); |
| if (minconf < start || minconf >= start+size) |
| conf = start; |
| else |
| conf = minconf; |
| zone_create(start,size, conf, 0); |
| if (last_frame < ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE)) |
| last_frame = ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE); |
| } |
| } |
| } |
| |
| static int cmd_e820mem(cmd_arg_t *argv); |
| static cmd_info_t e820_info = { |
| .name = "e820list", |
| .description = "List e820 memory.", |
| .func = cmd_e820mem, |
| .argc = 0 |
| }; |
| |
| static char *e820names[] = { "invalid", "available", "reserved", |
| "acpi", "nvs", "unusable" }; |
| |
| |
| static int cmd_e820mem(cmd_arg_t *argv) |
| { |
| int i; |
| char *name; |
| |
| for (i = 0; i < e820counter; i++) { |
| if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE) |
| name = e820names[e820table[i].type]; |
| else |
| name = "invalid"; |
| printf("%P %dB %s\n", e820table[i].base_address, |
| e820table[i].size, |
| name); |
| } |
| return 0; |
| } |
| |
| |
| void frame_arch_init(void) |
| { |
| __u8 i; |
| |
| static pfn_t minconf; |
| |
| if (config.cpu_active == 1) { |
| cmd_initialize(&e820_info); |
| cmd_register(&e820_info); |
| |
| |
| minconf = 1; |
| #ifdef CONFIG_SMP |
| minconf = max(minconf, |
| ADDR2PFN(AP_BOOT_OFFSET+hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size)); |
| #endif |
| #ifdef CONFIG_SIMICS_FIX |
| minconf = max(minconf, ADDR2PFN(0x10000)); |
| #endif |
| init_e820_memory(minconf); |
| |
| /* Reserve frame 0 (BIOS data) */ |
| frame_region_not_free(0, FRAME_SIZE); |
| frame_mark_unavailable(0, 1); |
| |
| #ifdef CONFIG_SMP |
| /* Reserve AP real mode bootstrap memory */ |
| frame_region_not_free(AP_BOOT_OFFSET, hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size); |
| frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH, |
| (hardcoded_unmapped_ktext_size + hardcoded_unmapped_kdata_size) >> FRAME_WIDTH); |
| |
| #ifdef CONFIG_SIMICS_FIX |
| /* Don't know why, but this addresses help */ |
| frame_region_not_free(0xf000,FRAME_SIZE); |
| frame_region_not_free(0xe000,FRAME_SIZE); |
| frame_region_not_free(0xd000,FRAME_SIZE); |
| frame_mark_unavailable(0xd000 >> FRAME_WIDTH,3); |
| #endif |
| #endif |
| |
| for (i = 0; i < e820counter; i++) { |
| if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) { |
| zone_create_in_region(e820table[i].base_address, e820table[i].size & ~(FRAME_SIZE-1)); |
| if (last_frame < ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE)) |
| last_frame = ALIGN_UP(e820table[i].base_address + e820table[i].size, FRAME_SIZE); |
| } |
| } |
| } |
| } |