Changeset e731b0d in mainline for boot/arch/ppc32
- Timestamp:
- 2009-08-20T16:58:55Z (16 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- b9c7425
- Parents:
- a11099f
- Location:
- boot/arch/ppc32/loader
- Files:
-
- 8 edited
Legend:
- Unmodified
- Added
- Removed
-
boot/arch/ppc32/loader/Makefile
ra11099f re731b0d 62 62 SOURCES = \ 63 63 main.c \ 64 ofwarch.c \65 64 _components.c \ 66 ../../../genarch/ofw.c \67 65 ../../../generic/printf.c \ 68 66 ../../../generic/string.c \ 67 ../../../genarch/balloc.c \ 68 ../../../genarch/ofw.c \ 69 ../../../genarch/ofw_tree.c \ 70 ofwarch.c \ 69 71 asm.S \ 70 72 boot.S … … 73 75 $(KERNELDIR)/kernel.bin \ 74 76 $(USPACEDIR)/srv/ns/ns \ 77 $(USPACEDIR)/app/init/init \ 75 78 $(USPACEDIR)/srv/loader/loader \ 76 $(USPACEDIR)/app/init/init \77 79 $(USPACEDIR)/srv/devmap/devmap \ 78 80 $(USPACEDIR)/srv/bd/rd/rd \ … … 99 101 $(USPACEDIR)/app/tester/tester \ 100 102 $(USPACEDIR)/app/trace/trace \ 101 $(USPACEDIR)/app/ klog/klog\102 $(USPACEDIR)/app/ bdsh/bdsh103 $(USPACEDIR)/app/bdsh/bdsh \ 104 $(USPACEDIR)/app/klog/klog 103 105 104 106 OBJECTS := $(addsuffix .o,$(basename $(SOURCES))) -
boot/arch/ppc32/loader/_link.ld.in
ra11099f re731b0d 19 19 [[COMPONENTS]] 20 20 } 21 22 /DISCARD/ : { 23 *(.comment); 24 *(.note*); 25 } 21 26 } -
boot/arch/ppc32/loader/asm.S
ra11099f re731b0d 29 29 #include "asm.h" 30 30 #include "regname.h" 31 #include "ofwarch.h" 31 32 32 33 .macro SMC_COHERENCY addr … … 45 46 46 47 .macro TLB_FLUSH reg 47 tlbie \reg 48 addi \reg, \reg, 0x1000 48 li \reg, 0 49 sync 50 51 .rept 64 52 tlbie \reg 53 addi \reg, \reg, 0x1000 54 .endr 55 56 eieio 57 tlbsync 58 sync 49 59 .endm 50 60 … … 54 64 .global memcpy 55 65 .global jump_to_kernel 66 .global balloc_base 56 67 57 68 halt: … … 62 73 addi r6, r3, -4 63 74 addi r4, r4, -4 64 beq 2f75 beq 2f 65 76 66 77 andi. r0, r6, 3 … … 69 80 70 81 1: 71 72 lwz r7, 4(r4) 73 lwzu r8, 8(r4) 74 stw r7, 4(r6) 75 stwu r8, 8(r6) 76 bdnz 1b 77 78 andi. r5, r5, 7 82 lwz r7, 4(r4) 83 lwzu r8, 8(r4) 84 stw r7, 4(r6) 85 stwu r8, 8(r6) 86 bdnz 1b 87 88 andi. r5, r5, 7 79 89 80 90 2: 81 82 cmplwi 0, r5, 4 83 blt 3f 84 85 lwzu r0, 4(r4) 86 addi r5, r5, -4 87 stwu r0, 4(r6) 91 cmplwi 0, r5, 4 92 blt 3f 93 94 lwzu r0, 4(r4) 95 addi r5, r5, -4 96 stwu r0, 4(r6) 88 97 89 98 3: 90 91 cmpwi 0, r5, 0 92 beqlr 93 mtctr r5 94 addi r4, r4, 3 95 addi r6, r6, 3 99 cmpwi 0, r5, 0 100 beqlr 101 mtctr r5 102 addi r4, r4, 3 103 addi r6, r6, 3 96 104 97 105 4: 98 99 lbzu r0, 1(r4) 100 stbu r0, 1(r6) 101 bdnz 4b 102 blr 106 lbzu r0, 1(r4) 107 stbu r0, 1(r6) 108 bdnz 4b 109 blr 103 110 104 111 5: 105 106 subfic r0, r0, 4 107 mtctr r0 112 subfic r0, r0, 4 113 mtctr r0 108 114 109 115 6: 110 111 lbz r7, 4(r4) 112 addi r4, r4, 1 113 stb r7, 4(r6) 114 addi r6, r6, 1 115 bdnz 6b 116 subf r5, r0, r5 117 rlwinm. r7, r5, 32-3, 3, 31 118 beq 2b 119 mtctr r7 120 b 1b 121 116 lbz r7, 4(r4) 117 addi r4, r4, 1 118 stb r7, 4(r6) 119 addi r6, r6, 1 120 bdnz 6b 121 subf r5, r0, r5 122 rlwinm. r7, r5, 32-3, 3, 31 123 beq 2b 124 mtctr r7 125 b 1b 122 126 123 127 jump_to_kernel: … … 128 132 # r6 = bytes to copy 129 133 # r7 = real_mode (pa) 130 # r8 = framebuffer (pa)131 # r9 = scanline132 134 133 135 # disable interrupts … … 153 155 rfi 154 156 157 .align PAGE_WIDTH 158 balloc_base: 159 .fill BALLOC_MAX_SIZE 160 155 161 .section REALMODE, "ax" 162 156 163 .align PAGE_WIDTH 157 164 .global real_mode 158 159 165 real_mode: 160 166 161 167 # copy kernel to proper location 162 168 # 169 # r3 = bootinfo (pa) 170 # r4 = bootinfo_size 163 171 # r5 = trans (pa) 164 172 # r6 = bytes to copy 165 # r8 = framebuffer (pa)166 # r9 = scanline167 173 168 174 li r31, PAGE_SIZE >> 2 … … 343 349 # flush TLB 344 350 345 li r31, 0346 sync347 348 351 TLB_FLUSH r31 349 TLB_FLUSH r31350 TLB_FLUSH r31351 TLB_FLUSH r31352 TLB_FLUSH r31353 TLB_FLUSH r31354 TLB_FLUSH r31355 TLB_FLUSH r31356 357 TLB_FLUSH r31358 TLB_FLUSH r31359 TLB_FLUSH r31360 TLB_FLUSH r31361 TLB_FLUSH r31362 TLB_FLUSH r31363 TLB_FLUSH r31364 TLB_FLUSH r31365 366 TLB_FLUSH r31367 TLB_FLUSH r31368 TLB_FLUSH r31369 TLB_FLUSH r31370 TLB_FLUSH r31371 TLB_FLUSH r31372 TLB_FLUSH r31373 TLB_FLUSH r31374 375 TLB_FLUSH r31376 TLB_FLUSH r31377 TLB_FLUSH r31378 TLB_FLUSH r31379 TLB_FLUSH r31380 TLB_FLUSH r31381 TLB_FLUSH r31382 TLB_FLUSH r31383 384 TLB_FLUSH r31385 TLB_FLUSH r31386 TLB_FLUSH r31387 TLB_FLUSH r31388 TLB_FLUSH r31389 TLB_FLUSH r31390 TLB_FLUSH r31391 TLB_FLUSH r31392 393 TLB_FLUSH r31394 TLB_FLUSH r31395 TLB_FLUSH r31396 TLB_FLUSH r31397 TLB_FLUSH r31398 TLB_FLUSH r31399 TLB_FLUSH r31400 TLB_FLUSH r31401 402 TLB_FLUSH r31403 TLB_FLUSH r31404 TLB_FLUSH r31405 TLB_FLUSH r31406 TLB_FLUSH r31407 TLB_FLUSH r31408 TLB_FLUSH r31409 TLB_FLUSH r31410 411 TLB_FLUSH r31412 TLB_FLUSH r31413 TLB_FLUSH r31414 TLB_FLUSH r31415 TLB_FLUSH r31416 TLB_FLUSH r31417 TLB_FLUSH r31418 TLB_FLUSH r31419 420 eieio421 tlbsync422 sync423 352 424 353 # start the kernel 425 354 # 426 # pc = KERNEL_START_ADDR355 # pc = PA2KA(BOOT_OFFSET) 427 356 # r3 = bootinfo (pa) 428 # sprg0 = KA2PA(KERNEL_START_ADDR)357 # sprg0 = BOOT_OFFSET 429 358 # sprg3 = physical memory size 430 359 # sp = 0 (pa) 431 360 432 lis r31, KERNEL_START_ADDR@ha 433 addi r31, r31, KERNEL_START_ADDR@l 434 361 lis r31, PA2KA(BOOT_OFFSET)@ha 362 addi r31, r31, PA2KA(BOOT_OFFSET)@l 435 363 mtspr srr0, r31 436 364 437 subis r31, r31, 0x8000 365 lis r31, BOOT_OFFSET@ha 366 addi r31, r31, BOOT_OFFSET@l 438 367 mtsprg0 r31 439 368 … … 454 383 .global trans 455 384 trans: 456 .space (TRANS_SIZE * TRANS_ITEM_SIZE) 385 .rept TRANS_SIZE 386 .int 0 387 .endr -
boot/arch/ppc32/loader/asm.h
ra11099f re731b0d 30 30 #define BOOT_ppc32_ASM_H_ 31 31 32 #define PAGE_ SIZE 409633 #define PAGE_ WIDTH 1232 #define PAGE_WIDTH 12 33 #define PAGE_SIZE (1 << PAGE_WIDTH) 34 34 35 #define TRANS_SIZE 102436 #define TRANS_ITEM_SIZE 435 #define TRANS_SIZE 1024 36 #define BOOT_OFFSET 0x8000 37 37 38 #define KERNEL_START_ADDR 0x8000800038 #define BALLOC_MAX_SIZE (128 * 1024) 39 39 40 40 #ifndef __ASM__ 41 41 42 #define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) 42 #include "types.h" 43 #include "main.h" 44 #include "ofwarch.h" 43 45 44 extern void *trans[TRANS_SIZE]; 46 #define PA2KA(x) (((uintptr_t) (x)) + 0x80000000) 47 48 extern uint8_t balloc_base[BALLOC_MAX_SIZE]; 49 extern uintptr_t trans[TRANS_SIZE]; 45 50 46 51 extern void halt(); 47 extern void jump_to_kernel(void *bootinfo, unsigned int bootinfo_size, void *trans, unsigned int kernel_size, void *real_mode, void *fb, unsigned int scanline) __attribute__((noreturn)); 52 extern void jump_to_kernel(void *bootinfo, unsigned int bootinfo_size, 53 uintptr_t trans[], unsigned int kernel_size, void *real_mode) __attribute__((noreturn)); 48 54 extern void real_mode(); 55 56 #else 57 58 #define PA2KA(x) ((x) + 0x80000000) 49 59 50 60 #endif -
boot/arch/ppc32/loader/main.c
ra11099f re731b0d 27 27 */ 28 28 29 #include "main.h"30 29 #include <printf.h> 31 #include "asm.h"32 #include "_components.h"33 30 #include <ofw.h> 34 31 #include <align.h> 35 32 #include <macros.h> 36 33 #include <string.h> 34 #include "main.h" 35 #include "asm.h" 36 #include "_components.h" 37 37 38 #define HEAP_GAP 1024000 38 static bootinfo_t bootinfo; 39 static component_t components[COMPONENTS]; 40 static char *release = STRING(RELEASE); 39 41 40 bootinfo_t bootinfo; 42 #ifdef REVISION 43 static char *revision = ", revision " STRING(REVISION); 44 #else 45 static char *revision = ""; 46 #endif 41 47 48 #ifdef TIMESTAMP 49 static char *timestamp = "\nBuilt on " STRING(TIMESTAMP); 50 #else 51 static char *timestamp = ""; 52 #endif 53 54 /** Print version information. */ 55 static void version_print(void) 56 { 57 printf("HelenOS PPC32 Bootloader\nRelease %s%s%s\n" 58 "Copyright (c) 2006 HelenOS project\n\n", 59 release, revision, timestamp); 60 } 42 61 43 62 static void check_align(const void *addr, const char *desc) 44 63 { 45 if ((u nsigned int) addr % PAGE_SIZE != 0) {64 if ((uintptr_t) addr % PAGE_SIZE != 0) { 46 65 printf("Error: %s not on page boundary, halting.\n", desc); 47 66 halt(); … … 49 68 } 50 69 51 52 static void fix_overlap(void *va, void **pa, const char *desc, unsigned int *top) 70 static void check_overlap(const void *pa, const char *desc, const uintptr_t top) 53 71 { 54 if ((unsigned int) *pa + PAGE_SIZE < *top) { 55 printf("Warning: %s overlaps kernel physical area\n", desc); 56 57 void *new_va = (void *) (ALIGN_UP((unsigned int) KERNEL_END + HEAP_GAP, PAGE_SIZE) + *top); 58 void *new_pa = (void *) (HEAP_GAP + *top); 59 *top += PAGE_SIZE; 60 61 if (ofw_map(new_pa, new_va, PAGE_SIZE, 0) != 0) { 62 printf("Error: Unable to map page aligned memory at %L (physical %L), halting.\n", new_va, new_pa); 63 halt(); 64 } 65 66 if ((unsigned int) new_pa + PAGE_SIZE < KERNEL_SIZE) { 67 printf("Error: %s cannot be relocated, halting.\n", desc); 68 halt(); 69 } 70 71 printf("Relocating %L -> %L (physical %L -> %L)\n", va, new_va, *pa, new_pa); 72 *pa = new_pa; 73 memcpy(new_va, va, PAGE_SIZE); 72 if ((uintptr_t) pa + PAGE_SIZE < top) { 73 printf("Error: %s overlaps destination physical area\n", desc); 74 halt(); 74 75 } 75 }76 77 char *release = STRING(RELEASE);78 79 #ifdef REVISION80 char *revision = ", revision " STRING(REVISION);81 #else82 char *revision = "";83 #endif84 85 #ifdef TIMESTAMP86 char *timestamp = "\nBuilt on " STRING(TIMESTAMP);87 #else88 char *timestamp = "";89 #endif90 91 /** Print version information. */92 static void version_print(void)93 {94 printf("HelenOS PPC32 Bootloader\nRelease %s%s%s\nCopyright (c) 2006 HelenOS project\n\n", release, revision, timestamp);95 76 } 96 77 … … 98 79 { 99 80 version_print(); 100 101 component_t components[COMPONENTS];102 81 init_components(components); 103 104 unsigned int i;105 for (i = 0; i < COMPONENTS; i++)106 check_align(components[i].start, components[i].name);107 108 check_align(&real_mode, "bootstrap trampoline");109 check_align(&trans, "translation table");110 82 111 83 if (!ofw_memmap(&bootinfo.memmap)) { … … 119 91 } 120 92 121 if (!ofw_screen(&bootinfo.screen)) 122 printf("Warning: Unable to get screen properties.\n"); 93 check_align(&real_mode, "bootstrap trampoline"); 94 check_align(trans, "translation table"); 95 check_align(balloc_base, "boot allocations"); 123 96 124 if (!ofw_macio(&bootinfo.macio)) 125 printf("Warning: Unable to get macio properties.\n"); 97 unsigned int i; 98 for (i = 0; i < COMPONENTS; i++) 99 check_align(components[i].start, components[i].name); 126 100 127 printf("Device statistics\n"); 101 void *bootinfo_pa = ofw_translate(&bootinfo); 102 void *real_mode_pa = ofw_translate(&real_mode); 103 void *trans_pa = ofw_translate(trans); 104 void *balloc_base_pa = ofw_translate(balloc_base); 128 105 129 if (bootinfo.screen.addr) 130 printf(" screen at %L, resolution %dx%d, %d bpp (scanline %d bytes)\n", bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline); 131 132 if (bootinfo.macio.addr) 133 printf(" macio at %L (size %d bytes)\n", bootinfo.macio.addr, bootinfo.macio.size); 134 135 void *real_mode_pa = ofw_translate(&real_mode); 136 void *trans_pa = ofw_translate(&trans); 137 void *bootinfo_pa = ofw_translate(&bootinfo); 138 139 printf("\nMemory statistics (total %d MB)\n", bootinfo.memmap.total >> 20); 106 printf("Memory statistics (total %d MB)\n", bootinfo.memmap.total >> 20); 140 107 printf(" %L: boot info structure (physical %L)\n", &bootinfo, bootinfo_pa); 141 108 printf(" %L: bootstrap trampoline (physical %L)\n", &real_mode, real_mode_pa); 142 printf(" %L: translation table (physical %L)\n", &trans, trans_pa); 109 printf(" %L: translation table (physical %L)\n", trans, trans_pa); 110 printf(" %L: boot allocations (physical %L)\n", balloc_base, balloc_base_pa); 143 111 for (i = 0; i < COMPONENTS; i++) 144 112 printf(" %L: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size); 145 113 146 u nsigned int top = 0;114 uintptr_t top = 0; 147 115 for (i = 0; i < COMPONENTS; i++) 148 116 top += ALIGN_UP(components[i].size, PAGE_SIZE); 117 top += ALIGN_UP(BALLOC_MAX_SIZE, PAGE_SIZE); 118 119 if (top >= TRANS_SIZE * PAGE_SIZE) { 120 printf("Error: boot image is too large\n"); 121 halt(); 122 } 123 124 check_overlap(bootinfo_pa, "boot info", top); 125 check_overlap(real_mode_pa, "bootstrap trampoline", top); 126 check_overlap(trans_pa, "translation table", top); 149 127 150 128 unsigned int pages = ALIGN_UP(KERNEL_SIZE, PAGE_SIZE) >> PAGE_WIDTH; … … 152 130 for (i = 0; i < pages; i++) { 153 131 void *pa = ofw_translate(KERNEL_START + (i << PAGE_WIDTH)); 154 fix_overlap(KERNEL_START + (i << PAGE_WIDTH), &pa, "kernel", &top);155 trans[i] = pa;132 check_overlap(pa, "kernel", top); 133 trans[i] = (uintptr_t) pa; 156 134 } 157 135 158 136 bootinfo.taskmap.count = 0; 159 137 for (i = 1; i < COMPONENTS; i++) { 138 if (bootinfo.taskmap.count == TASKMAP_MAX_RECORDS) { 139 printf("\nSkipping superfluous components.\n"); 140 break; 141 } 142 160 143 unsigned int component_pages = ALIGN_UP(components[i].size, PAGE_SIZE) >> PAGE_WIDTH; 161 144 unsigned int j; … … 163 146 for (j = 0; j < component_pages; j++) { 164 147 void *pa = ofw_translate(components[i].start + (j << PAGE_WIDTH)); 165 fix_overlap(components[i].start + (j << PAGE_WIDTH), &pa, components[i].name, &top);166 trans[pages + j] = pa;148 check_overlap(pa, components[i].name, top); 149 trans[pages + j] = (uintptr_t) pa; 167 150 if (j == 0) { 168 bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = (void *) (pages << PAGE_WIDTH); 151 152 bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = (void *) PA2KA(pages << PAGE_WIDTH); 169 153 bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size; 170 154 strncpy(bootinfo.taskmap.tasks[bootinfo.taskmap.count].name, 171 155 components[i].name, BOOTINFO_TASK_NAME_BUFLEN); 172 156 173 157 bootinfo.taskmap.count++; 174 158 } … … 178 162 } 179 163 180 fix_overlap(&real_mode, &real_mode_pa, "bootstrap trampoline", &top); 181 fix_overlap(&trans, &trans_pa, "translation table", &top); 182 fix_overlap(&bootinfo, &bootinfo_pa, "boot info", &top); 164 uintptr_t balloc_kernel_base = PA2KA(pages << PAGE_WIDTH); 165 unsigned int balloc_pages = ALIGN_UP(BALLOC_MAX_SIZE, PAGE_SIZE) >> PAGE_WIDTH; 166 for (i = 0; i < balloc_pages; i++) { 167 void *pa = ofw_translate(balloc_base + (i << PAGE_WIDTH)); 168 check_overlap(pa, "boot allocations", top); 169 trans[pages + i] = (uintptr_t) pa; 170 } 171 172 pages += balloc_pages; 173 174 balloc_init(&bootinfo.ballocs, (uintptr_t) balloc_base, balloc_kernel_base); 175 printf("\nCanonizing OpenFirmware device tree..."); 176 bootinfo.ofw_root = ofw_tree_build(); 177 printf("done.\n"); 183 178 184 179 ofw_setup_palette(); 185 180 186 181 printf("\nBooting the kernel...\n"); 187 jump_to_kernel(bootinfo_pa, sizeof(bootinfo), trans_pa, pages << PAGE_WIDTH, real_mode_pa , (void *) bootinfo.screen.addr, bootinfo.screen.scanline);182 jump_to_kernel(bootinfo_pa, sizeof(bootinfo), trans_pa, pages << PAGE_WIDTH, real_mode_pa); 188 183 } -
boot/arch/ppc32/loader/main.h
ra11099f re731b0d 30 30 #define BOOT_ppc32_MAIN_H_ 31 31 32 #include "ofw.h" 32 #include <ofw.h> 33 #include <ofw_tree.h> 34 #include <balloc.h> 35 #include <types.h> 33 36 34 #define TASKMAP_MAX_RECORDS 3237 #define TASKMAP_MAX_RECORDS 32 35 38 36 39 /** Size of buffer for storing task name in task_t. */ 37 #define BOOTINFO_TASK_NAME_BUFLEN 3240 #define BOOTINFO_TASK_NAME_BUFLEN 32 38 41 39 /** Struct holding information about single loaded task. */40 42 typedef struct { 41 /** Address where the task was placed. */42 43 void *addr; 43 /** Size of the task's binary. */ 44 unsigned int size; 45 /** Task name. */ 44 uint32_t size; 46 45 char name[BOOTINFO_TASK_NAME_BUFLEN]; 47 46 } task_t; 48 47 49 48 typedef struct { 50 u nsigned int count;49 uint32_t count; 51 50 task_t tasks[TASKMAP_MAX_RECORDS]; 52 51 } taskmap_t; … … 55 54 memmap_t memmap; 56 55 taskmap_t taskmap; 57 screen_t screen;58 macio_t macio;56 ballocs_t ballocs; 57 ofw_tree_node_t *ofw_root; 59 58 } bootinfo_t; 60 59 … … 62 61 extern void bootstrap(void); 63 62 64 extern memmap_t memmap;65 66 63 #endif -
boot/arch/ppc32/loader/ofwarch.c
ra11099f re731b0d 31 31 #include <printf.h> 32 32 33 typedef int (* ofw_entry_t)(ofw_args_t *args);33 typedef int (*ofw_entry_t)(ofw_args_t *args); 34 34 35 35 int ofw(ofw_args_t *args) … … 49 49 } 50 50 51 int ofw_macio(macio_t *macio)52 {53 char device_name[BUF_SIZE];54 55 if ((ofw_get_property(ofw_aliases, "macio", device_name, sizeof(device_name)) <= 0)56 && (ofw_get_property(ofw_aliases, "mac-io", device_name, sizeof(device_name)) <= 0))57 return false;58 59 phandle device = ofw_find_device(device_name);60 if (device == -1)61 return false;62 63 pci_reg_t pci_reg;64 if (ofw_get_property(device, "assigned-addresses", &pci_reg, sizeof(pci_reg)) <= 0)65 return false;66 67 macio->addr = (void *) pci_reg.addr.addr_lo;68 macio->size = pci_reg.size_lo;69 70 return true;71 }72 73 51 int ofw_translate_failed(ofw_arg_t flag) 74 52 { 53 /* PearPC returns buggy flag */ 75 54 return 0; 76 55 } -
boot/arch/ppc32/loader/ofwarch.h
ra11099f re731b0d 30 30 #define BOOT_ppc32_OFWARCH_H_ 31 31 32 #define OFW_ADDRESS_CELLS 133 #define OFW_SIZE_CELLS 132 #define OFW_ADDRESS_CELLS 1 33 #define OFW_SIZE_CELLS 1 34 34 35 35 #endif
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