dany/u-boot-megous
1
0
Fork 0
mirror of https://xff.cz/git/u-boot/ synced 2025-09-02 09:12:08 +02:00
Code Issues Packages Projects Releases Wiki Activity

riscv: qemu: Use different SYS_TEXT_BASE for S-mode

Browse Source 
When u-boot runs in S-mode, the M-mode runtime firmware
(BBL or equivalent) uses memory range in 0x80000000 to
0x80200000. Due to this, we cannot use 0x80000000 as
SYS_TEXT_BASE when running in S-mode. Instead for S-mode,
we use 0x80200000 as SYS_TEXT_BASE.

Even Linux RISC-V kernel ignores/reserves memory range
0x80000000 to 0x80200000 because it runs in S-mode.

Signed-off-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
This commit is contained in:
Anup Patel
2018-12-03 10:57:41 +05:30
committed by Andes
parent d2db2a8fa4
commit ef8c3d3fce
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
board/emulation/qemu-riscv/Kconfig
View File

@@ -13,7 +13,8 @@ config SYS_CONFIG_NAME
default "qemu-riscv" default "qemu-riscv"
config SYS_TEXT_BASE config SYS_TEXT_BASE
default 0x80000000 default 0x80000000 if !RISCV_SMODE
default 0x80200000 if RISCV_SMODE
config BOARD_SPECIFIC_OPTIONS # dummy config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y def_bool y