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[Qemu-devel] [PATCH 4/9] hw/xtensa/xtfpga: use symbolic constants for bo
From: |
Max Filippov |
Subject: |
[Qemu-devel] [PATCH 4/9] hw/xtensa/xtfpga: use symbolic constants for bootparam tags |
Date: |
Mon, 23 Jun 2014 20:12:51 +0400 |
Import bootparam tag names from linux/arch/xtensa/include/asm/bootparam.h
No functional changes.
Signed-off-by: Max Filippov <address@hidden>
---
hw/xtensa/bootparam.h | 10 ++++++++++
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 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;
--
1.8.1.4
- [Qemu-devel] [PATCH 0/9] target-xtensa: linux booting improvements, Max Filippov, 2014/06/23
- [Qemu-devel] [PATCH 1/9] hw/xtensa: remove extraneous xtensa_ prefix from file names, Max Filippov, 2014/06/23
- [Qemu-devel] [PATCH 5/9] hw/xtensa/xtfpga: refactor bootparameters filling, Max Filippov, 2014/06/23
- [Qemu-devel] [PATCH 2/9] hw/xtensa: replace fprintfs with error_report, Max Filippov, 2014/06/23
- [Qemu-devel] [PATCH 3/9] hw/xtensa/xtfpga: retrieve parameters from machine_opts, Max Filippov, 2014/06/23
- [Qemu-devel] [PATCH 4/9] hw/xtensa/xtfpga: use symbolic constants for bootparam tags,
Max Filippov <=
- [Qemu-devel] [PATCH 7/9] hw/xtensa/xtfpga: implement uImage loading, Max Filippov, 2014/06/23
- [Qemu-devel] [PATCH 8/9] hw/xtensa/xtfpga: implement DTB loading, Max Filippov, 2014/06/23
- [Qemu-devel] [PATCH 6/9] hw/xtensa/xtfpga: add memory info to bootparam, Max Filippov, 2014/06/23
- [Qemu-devel] [PATCH 9/9] hw/xtensa/xtfpga: implement initrd loading, Max Filippov, 2014/06/23