Signed-off-by: Dave Martin <dave.martin@xxxxxxxxxx>
---
boot.S | 15 +++++++++++++--
semi_loader.h | 6 ++++--
2 files changed, 17 insertions(+), 4 deletions(-)
diff --git a/boot.S b/boot.S
index 128f74e..fe7acdf 100644
--- a/boot.S
+++ b/boot.S
@@ -96,8 +96,6 @@ start:
mov r7, #0xfffffff0
smc #0 @ Set HVBAR
- enter_hyp
-
@ Check CPU nr again
mrc p15, 0, r0, c0, c0, 5 @ MPIDR (ARMv7 only)
and r0, r0, #15 @ CPU number
@@ -125,6 +123,8 @@ start:
ldr r1, [r0]
cmp r1, #0
beq 1b
+
+ enter_hyp
mov pc, r1 @ branch to the given address
#endif
@@ -170,6 +170,17 @@ __semi_call:
#endif
mov pc, lr
+.globl __boot_kernel
+__boot_kernel:
+ mov r4, r0
+ stmfd sp!, {r1-r3}
+ ldmia sp, {r0-r3}
+
+ enter_hyp
+
+ bx r4
+.type __boot_kernel, %function
+
@
@ Data
@
diff --git a/semi_loader.h b/semi_loader.h
index 6afba40..29f3d63 100644
--- a/semi_loader.h
+++ b/semi_loader.h
@@ -90,10 +90,12 @@ struct loader_info {
void load_kernel(struct loader_info *info);
+void __boot_kernel(unsigned entry_point,
+ unsigned r0, unsigned r1, unsigned r2, unsigned r3);
+
static void boot_kernel(struct loader_info *info,
unsigned r0, unsigned r1, unsigned r2, unsigned r3) {
- ((void (*)(unsigned, unsigned, unsigned, unsigned))info->kernel_entry)(
- r0, r1, r2, r3);
+ __boot_kernel(info->kernel_entry, r0, r1, r2, r3);
}
#endif /* ! SEMI_LOADER_H */
--
1.7.4.1
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