39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
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diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
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index 0ec0dc5..abd13dc 100644
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--- a/arch/arm64/kernel/psci.c
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+++ b/arch/arm64/kernel/psci.c
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@@ -115,9 +115,14 @@ static void psci_power_state_unpack(u32 power_state,
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* The following two functions are invoked via the invoke_psci_fn pointer
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* and will not be inlined, allowing us to piggyback on the AAPCS.
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*/
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-static noinline int __invoke_psci_fn_hvc(u64 function_id, u64 arg0, u64 arg1,
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- u64 arg2)
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+static noinline int __invoke_psci_fn_hvc(u64 _function_id, u64 _arg0,
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+ u64 _arg1, u64 _arg2)
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{
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+ register u64 function_id asm("x0") = _function_id;
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+ register u64 arg0 asm("x1") = _arg0;
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+ register u64 arg1 asm("x2") = _arg1;
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+ register u64 arg2 asm("x3") = _arg2;
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+
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asm volatile(
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__asmeq("%0", "x0")
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__asmeq("%1", "x1")
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@@ -130,9 +135,14 @@ static noinline int __invoke_psci_fn_hvc(u64 function_id, u64 arg0, u64 arg1,
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return function_id;
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}
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-static noinline int __invoke_psci_fn_smc(u64 function_id, u64 arg0, u64 arg1,
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- u64 arg2)
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+static noinline int __invoke_psci_fn_smc(u64 _function_id, u64 _arg0,
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+ u64 _arg1, u64 _arg2)
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{
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+ register u64 function_id asm("x0") = _function_id;
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+ register u64 arg0 asm("x1") = _arg0;
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+ register u64 arg1 asm("x2") = _arg1;
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+ register u64 arg2 asm("x3") = _arg2;
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+
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asm volatile(
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__asmeq("%0", "x0")
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__asmeq("%1", "x1")
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