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-rw-r--r--src/arch/riscv/Kconfig10
-rw-r--r--src/arch/riscv/opensbi.c2
2 files changed, 12 insertions, 0 deletions
diff --git a/src/arch/riscv/Kconfig b/src/arch/riscv/Kconfig
index 2578b1250c..e4668049f5 100644
--- a/src/arch/riscv/Kconfig
+++ b/src/arch/riscv/Kconfig
@@ -66,6 +66,16 @@ config OPENSBI_TEXT_START
help
The linking address used to build opensbi.
+config OPENSBI_FW_DYNAMIC_BOOT_HART
+ int
+ default RISCV_WORKING_HARTID
+ help
+ This specifies the hart that OpenSBI will use to boot the payload. If set to
+ value -1, OpenSBI will use a 'lottery' scheme to figure it out itself.
+ This hart must be able to execute in the Supervisor priviledged mode, since
+ that is the mode usually used for the payload. If the hart does not support
+ Supervisor mode OpenSBI will again look for a hart that does support it.
+
config ARCH_RISCV_U
# U (user) mode is for programs.
bool
diff --git a/src/arch/riscv/opensbi.c b/src/arch/riscv/opensbi.c
index 48f0f2a9cd..bf26b2279e 100644
--- a/src/arch/riscv/opensbi.c
+++ b/src/arch/riscv/opensbi.c
@@ -20,6 +20,8 @@ void run_opensbi(const int hart_id,
.version = FW_DYNAMIC_INFO_VERSION_MAX,
.next_mode = payload_mode,
.next_addr = (uintptr_t)payload,
+ .options = 0,
+ .boot_hart = CONFIG_OPENSBI_FW_DYNAMIC_BOOT_HART,
};
csr_write(mepc, opensbi);