1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
index 0ec0dc5..abd13dc 100644
--- a/arch/arm64/kernel/psci.c
+++ b/arch/arm64/kernel/psci.c
@@ -115,9 +115,14 @@ static void psci_power_state_unpack(u32 power_state,
* The following two functions are invoked via the invoke_psci_fn pointer
* and will not be inlined, allowing us to piggyback on the AAPCS.
*/
-static noinline int __invoke_psci_fn_hvc(u64 function_id, u64 arg0, u64 arg1,
- u64 arg2)
+static noinline int __invoke_psci_fn_hvc(u64 _function_id, u64 _arg0,
+ u64 _arg1, u64 _arg2)
{
+ register u64 function_id asm("x0") = _function_id;
+ register u64 arg0 asm("x1") = _arg0;
+ register u64 arg1 asm("x2") = _arg1;
+ register u64 arg2 asm("x3") = _arg2;
+
asm volatile(
__asmeq("%0", "x0")
__asmeq("%1", "x1")
@@ -130,9 +135,14 @@ static noinline int __invoke_psci_fn_hvc(u64 function_id, u64 arg0, u64 arg1,
return function_id;
}
-static noinline int __invoke_psci_fn_smc(u64 function_id, u64 arg0, u64 arg1,
- u64 arg2)
+static noinline int __invoke_psci_fn_smc(u64 _function_id, u64 _arg0,
+ u64 _arg1, u64 _arg2)
{
+ register u64 function_id asm("x0") = _function_id;
+ register u64 arg0 asm("x1") = _arg0;
+ register u64 arg1 asm("x2") = _arg1;
+ register u64 arg2 asm("x3") = _arg2;
+
asm volatile(
__asmeq("%0", "x0")
__asmeq("%1", "x1")
|
