Subversion Repositories HelenOS-historic

Compare Revisions

Ignore whitespace Rev 1129 → Rev 1130

/boot/trunk/arch/ppc32/loader/ofw.h
51,7 → 51,15
memzone_t zones[MEMMAP_MAX_RECORDS];
} memmap_t;
 
typedef struct {
unsigned int addr;
unsigned int width;
unsigned int height;
unsigned int bpp;
unsigned int scanline;
} screen_t;
 
 
extern void init(void);
extern void ofw_write(const char *str, const int len);
 
58,5 → 66,6
extern void *ofw_translate(const void *virt);
extern int ofw_map(const void *phys, const void *virt, const int size, const int mode);
extern int ofw_memmap(memmap_t *map);
extern int ofw_screen(screen_t *screen);
 
#endif
/boot/trunk/arch/ppc32/loader/main.c
36,9 → 36,14
 
#define HEAP_GAP 1024000
 
memmap_t memmap;
typedef struct {
memmap_t memmap;
screen_t screen;
} bootinfo_t;
 
bootinfo_t bootinfo;
 
 
static void check_align(const void *addr, const char *desc)
{
if ((unsigned int) addr % PAGE_SIZE != 0) {
82,18 → 87,26
check_align(&real_mode, "Bootstrap trampoline");
check_align(&trans, "Translation table");
if (!ofw_memmap(&memmap)) {
if (!ofw_memmap(&bootinfo.memmap)) {
printf("Error: Unable to get memory map\n");
halt();
}
if (!ofw_screen(&bootinfo.screen)) {
printf("Error: Unable to get screen properties\n");
halt();
}
printf("\nDevice statistics\n");
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);
void *real_mode_pa = ofw_translate(&real_mode);
void *trans_pa = ofw_translate(&trans);
void *memmap_pa = ofw_translate(&memmap);
void *bootinfo_pa = ofw_translate(&bootinfo);
printf("Memory statistics (total %d MB)\n", memmap.total >> 20);
printf("\nMemory statistics (total %d MB)\n", bootinfo.memmap.total >> 20);
printf(" kernel image at %L (size %d bytes)\n", KERNEL_START, KERNEL_SIZE);
printf(" memory map at %L (physical %L)\n", &memmap, memmap_pa);
printf(" boot info at %L (physical %L)\n", &bootinfo, bootinfo_pa);
printf(" bootstrap trampoline at %L (physical %L)\n", &real_mode, real_mode_pa);
printf(" translation table at %L (physical %L)\n", &trans, trans_pa);
107,8 → 120,8
fix_overlap(&real_mode, &real_mode_pa, "Bootstrap trampoline", &top);
fix_overlap(&trans, &trans_pa, "Translation table", &top);
fix_overlap(&memmap, &memmap_pa, "Memory map", &top);
fix_overlap(&bootinfo, &bootinfo_pa, "Boot info", &top);
printf("Booting the kernel...\n");
jump_to_kernel(memmap_pa, trans_pa, KERNEL_SIZE, real_mode_pa);
printf("\nBooting the kernel...\n");
jump_to_kernel(bootinfo_pa, trans_pa, KERNEL_SIZE, real_mode_pa);
}
/boot/trunk/arch/ppc32/loader/ofw.c
31,6 → 31,7
#include "printf.h"
 
#define MAX_OFW_ARGS 10
#define STRING_SIZE 1024
 
typedef unsigned int ofw_arg_t;
typedef unsigned int ihandle;
52,6 → 53,7
ofw_entry ofw;
 
phandle ofw_chosen;
phandle ofw_aliases;
ihandle ofw_mmu;
ihandle ofw_stdout;
 
106,9 → 108,15
if (ofw_get_property(ofw_chosen, "stdout", &ofw_stdout, sizeof(ofw_stdout)) <= 0)
ofw_stdout = 0;
ofw_aliases = ofw_find_device("/aliases");
if (ofw_aliases == -1) {
puts("\nUnable to find /aliases device\n");
halt();
}
ofw_mmu = ofw_open("/mmu");
if (ofw_mmu == -1) {
puts("Unable to open /mmu node\n");
puts("\nUnable to open /mmu node\n");
halt();
}
}
157,3 → 165,33
map->total += map->zones[i].size;
}
}
 
 
int ofw_screen(screen_t *screen)
{
char device_name[STRING_SIZE];
if (ofw_get_property(ofw_aliases, "screen", device_name, STRING_SIZE) <= 0)
return false;
phandle device = ofw_find_device(device_name);
if (device == -1)
return false;
if (ofw_get_property(device, "address", &screen->addr, sizeof(screen->addr)) <= 0)
return false;
if (ofw_get_property(device, "width", &screen->width, sizeof(screen->width)) <= 0)
return false;
if (ofw_get_property(device, "height", &screen->height, sizeof(screen->height)) <= 0)
return false;
if (ofw_get_property(device, "depth", &screen->bpp, sizeof(screen->bpp)) <= 0)
return false;
if (ofw_get_property(device, "linebytes", &screen->scanline, sizeof(screen->scanline)) <= 0)
return false;
return true;
}