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firmware: Use macro instead of magic number for boot status

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The boot status is currently hard-coded. Define some macros for it.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Bin Meng
2019-08-08 01:59:31 -07:00
committed by Anup Patel
parent 446b6f30a4
commit b1318e578b
1 changed files with 7 additions and 4 deletions
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11
firmware/fw_base.S
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@@ -13,6 +13,9 @@
#include <sbi/sbi_scratch.h>
#include <sbi/sbi_trap.h>
#define BOOT_STATUS_RELOCATE_DONE 1
#define BOOT_STATUS_BOOT_HART_DONE 2
.macro MOV_3R __d0, __s0, __d1, __s1, __d2, __s2
add \__d0, \__s0, zero
add \__d1, \__s1, zero
@@ -115,7 +118,7 @@ _wait_relocate_copy_done:
add t3, t3, t1
1:
/* waitting for relocate copy done (_boot_status == 1) */
li t4, 1
li t4, BOOT_STATUS_RELOCATE_DONE
REG_L t5, 0(t2)
/* Reduce the bus traffic so that boot hart may proceed faster */
nop
@@ -127,7 +130,7 @@ _relocate_done:
/* mark relocate copy done */
la t0, _boot_status
li t1, 1
li t1, BOOT_STATUS_RELOCATE_DONE
REG_S t1, 0(t0)
fence rw, rw
@@ -302,7 +305,7 @@ _fdt_reloc_again:
_fdt_reloc_done:
/* mark boot hart done */
li t0, 2
li t0, BOOT_STATUS_BOOT_HART_DONE
la t1, _boot_status
REG_S t0, 0(t1)
fence rw, rw
@@ -310,7 +313,7 @@ _fdt_reloc_done:
/* waitting for boot hart done (_boot_status == 2) */
_wait_for_boot_hart:
li t0, 2
li t0, BOOT_STATUS_BOOT_HART_DONE
la t1, _boot_status
REG_L t1, 0(t1)
/* Reduce the bus traffic so that boot hart may proceed faster */