diff options
Diffstat (limited to 'common/main.c')
| -rw-r--r-- | common/main.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/common/main.c b/common/main.c index 8d5ee63..0786027 100644 --- a/common/main.c +++ b/common/main.c @@ -37,6 +37,8 @@ #include <boot.h> #define TB_VERSION "0.1" +#define TB_INITRD_ADDR 0x46000000ULL +#define TB_INITRD_FILE "initrd.cpio.gz" extern int tb_console_init(void); @@ -78,12 +80,56 @@ void tashaboot_main(uintptr_t fw_arg) } #endif + { + /* spin table gates into the dtb, one per cpu node */ + extern unsigned long *tb_spin_gates_ptr; + extern int tb_dtb_patch_spin_table(uintptr_t dtb, + uintptr_t *gates, + int ngates); + int n; + + if (tb_spin_gates_ptr) { + extern unsigned char tb_pen_stamps[8]; + int c; + + n = tb_dtb_patch_spin_table(fw_arg, + tb_spin_gates_ptr, 8); + dprintf(ALWAYS, "dtb: %d release addrs patched\n", n); + + /* who made it to the pen */ + for (c = 1; c < 8; c++) { + if (tb_pen_stamps[c]) + break; + } + dprintf(ALWAYS, "pen: %s\n", + c < 8 ? "secondaries waiting" : + "no secondaries parked"); + } + } + ret = tb_load_semihosting(TB_BOOTFILE, TB_LOAD_ADDR, &img); if (ret) { dprintf(ALWAYS, "load failed (%d), halting\n", ret); platform_halt(); } + /* + * the initrd rides after the kernel, the dtb /chosen carries + * linux,initrd-start and -end, both already patched in place + * with this layout. + */ + { + extern int tb_load_raw(const char *fname, + uintptr_t load_addr); + int r = tb_load_raw(TB_INITRD_FILE, TB_INITRD_ADDR); + + if (r == 0) + dprintf(ALWAYS, "initrd at %lx\n", + (unsigned long)TB_INITRD_ADDR); + else + dprintf(ALWAYS, "no initrd (%d)\n", r); + } + dprintf(ALWAYS, "loaded %llu bytes at %lx, entry %lx\n", (unsigned long long)img.size, img.load, img.ep); dprintf(ALWAYS, "jumping\n"); |