We will need the hartid for the linux-loader later.
Signed-off-by: Ralf Ramsauer <[email protected]>
---
inmates/lib/riscv/header.S | 3 +++
inmates/lib/riscv/include/inmate.h | 2 ++
inmates/lib/riscv/setup.c | 2 ++
3 files changed, 7 insertions(+)
diff --git a/inmates/lib/riscv/header.S b/inmates/lib/riscv/header.S
index 5ddffe79..e4b21ce5 100644
--- a/inmates/lib/riscv/header.S
+++ b/inmates/lib/riscv/header.S
@@ -58,6 +58,9 @@ __reset_entry:
la a5, exception_handler
csrw stvec, a5
+ la a5, hart_id
+ sd a0, 0(a5)
+
j c_entry
.text
diff --git a/inmates/lib/riscv/include/inmate.h
b/inmates/lib/riscv/include/inmate.h
index 57338d25..468d2218 100644
--- a/inmates/lib/riscv/include/inmate.h
+++ b/inmates/lib/riscv/include/inmate.h
@@ -58,6 +58,8 @@ typedef unsigned int u32;
typedef signed long long s64;
typedef unsigned long long u64;
+extern unsigned long hart_id;
+
#define SR_SIE 0x00000002UL
#define IRQ_S_TIMER 5
diff --git a/inmates/lib/riscv/setup.c b/inmates/lib/riscv/setup.c
index 705c5630..a87e8c50 100644
--- a/inmates/lib/riscv/setup.c
+++ b/inmates/lib/riscv/setup.c
@@ -38,6 +38,8 @@
#include <inmate.h>
+unsigned long hart_id;
+
void arch_init_early(void)
{
}
--
2.36.1
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