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authorMax Filippov <jcmvbkbc@gmail.com>2014-06-21 10:29:29 +0400
committerMax Filippov <jcmvbkbc@gmail.com>2014-06-29 02:32:42 +0400
commit62dbaede80b396aaae5394a9b6922b51be835e86 (patch)
tree4fd12fcd5b147459608437ea660bf274998d6357 /hw/xtensa
parent37b259d034c4e6eda5e7a677238d8a5efb666e9f (diff)
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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>
Diffstat (limited to 'hw/xtensa')
-rw-r--r--hw/xtensa/bootparam.h10
-rw-r--r--hw/xtensa/xtfpga.c6
2 files changed, 13 insertions, 3 deletions
diff --git a/hw/xtensa/bootparam.h b/hw/xtensa/bootparam.h
index 38ef32b..e6cf3b1 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 0aa3eeb..6d070b0 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;