[v1,13/14] xen/riscv: test basic handling stuff

Commit Message

Oleksii Kurochko Jan. 20, 2023, 2:59 p.m. UTC

Signed-off-by: Oleksii Kurochko <[e-mail]>
---
 xen/arch/riscv/setup.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

Patch

diff --git a/xen/arch/riscv/setup.c b/xen/arch/riscv/setup.c
index 174e134c93..35ab9d25c6 100644
--- a/xen/arch/riscv/setup.c
+++ b/xen/arch/riscv/setup.c
@@ -1,6 +1,7 @@ 
 #include <xen/compile.h>
 #include <xen/init.h>
 
+#include <asm/bug.h>
 #include <asm/csr.h>
 #include <asm/early_printk.h>
 #include <asm/traps.h>
@@ -15,12 +16,27 @@  static void setup_trap_handler(void)
     csr_write(CSR_STVEC, addr);
 }
 
+static void test_run_in_exception(struct cpu_user_regs *regs)
+{
+    early_printk("If you see this message, ");
+    early_printk("run_in_exception_handler is most likely working\n");
+}
+
+static void test_macros_from_bug_h(void)
+{
+    run_in_exception_handler(test_run_in_exception);
+    WARN();
+    early_printk("If you see this message, ");
+    early_printk("WARN is most likely working\n");
+}
+
 void __init noreturn start_xen(void)
 {
     early_printk("Hello from C env\n");
 
     setup_trap_handler();
-    early_printk("exception handler has been setup\n");
+
+    test_macros_from_bug_h();
 
     for ( ;; )
         asm volatile ("wfi");