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hw/xtensa/xtfpga: use symbolic constants for bootparam tags 

Import bootparam tag names from linux/arch/xtensa/include/asm/bootparam.h
No functional changes.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2014-06-21 10:29:29 +04:00
parent 37b259d034
commit 62dbaede80
2 changed files with 13 additions and 3 deletions
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10
hw/xtensa/bootparam.h
View File

@ -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;

6
hw/xtensa/xtfpga.c
View File

@ -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;