diff options
| -rw-r--r-- | hw/xtensa/bootparam.h | 10 | ||||
| -rw-r--r-- | hw/xtensa/xtfpga.c | 6 |
2 files changed, 13 insertions, 3 deletions
diff --git a/hw/xtensa/bootparam.h b/hw/xtensa/bootparam.h index 38ef32bdb6..e6cf3b1492 100644 --- a/hw/xtensa/bootparam.h +++ b/hw/xtensa/bootparam.h @@ -1,6 +1,16 @@ #ifndef HW_XTENSA_BOOTPARAM #define HW_XTENSA_BOOTPARAM +#define BP_TAG_COMMAND_LINE 0x1001 /* command line (0-terminated string)*/ +#define BP_TAG_INITRD 0x1002 /* ramdisk addr and size (bp_meminfo) */ +#define BP_TAG_MEMORY 0x1003 /* memory addr and size (bp_meminfo) */ +#define BP_TAG_SERIAL_BAUDRATE 0x1004 /* baud rate of current console. */ +#define BP_TAG_SERIAL_PORT 0x1005 /* serial device of current console */ +#define BP_TAG_FDT 0x1006 /* flat device tree addr */ + +#define BP_TAG_FIRST 0x7B0B /* first tag with a version number */ +#define BP_TAG_LAST 0x7E0B /* last tag */ + typedef struct BpTag { uint16_t tag; uint16_t size; diff --git a/hw/xtensa/xtfpga.c b/hw/xtensa/xtfpga.c index 0aa3eeb046..6d070b0d64 100644 --- a/hw/xtensa/xtfpga.c +++ b/hw/xtensa/xtfpga.c @@ -250,12 +250,12 @@ static void lx_init(const LxBoardDesc *board, MachineState *machine) env->regs[2] = tagptr; - tagptr = put_tag(tagptr, 0x7b0b, 0, NULL); + tagptr = put_tag(tagptr, BP_TAG_FIRST, 0, NULL); if (cmdline_size > 1) { - tagptr = put_tag(tagptr, 0x1001, + tagptr = put_tag(tagptr, BP_TAG_COMMAND_LINE, cmdline_size, kernel_cmdline); } - tagptr = put_tag(tagptr, 0x7e0b, 0, NULL); + tagptr = put_tag(tagptr, BP_TAG_LAST, 0, NULL); } uint64_t elf_entry; uint64_t elf_lowaddr; |