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-rw-r--r--arch/sparc64/kernel/entry.S72
1 files changed, 72 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index 8f10dda0f5c..ed712e0b337 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -2498,3 +2498,75 @@ sun4v_vintr_set_target:
retl
nop
.size sun4v_vintr_set_target, .-sun4v_vintr_set_target
+
+ /* %o0: NCS sub-function
+ * %o1: sub-function arg real-address
+ * %o2: sub-function arg size
+ *
+ * returns %o0: status
+ */
+ .globl sun4v_ncs_request
+ .type sun4v_ncs_request,#function
+sun4v_ncs_request:
+ mov HV_FAST_NCS_REQUEST, %o5
+ ta HV_FAST_TRAP
+ retl
+ nop
+ .size sun4v_ncs_request, .-sun4v_ncs_request
+
+ .globl sun4v_scv_send
+ .type sun4v_scv_send,#function
+sun4v_scv_send:
+ save %sp, -192, %sp
+ mov %i0, %o0
+ mov %i1, %o1
+ mov %i2, %o2
+ mov HV_FAST_SVC_SEND, %o5
+ ta HV_FAST_TRAP
+ stx %o1, [%i3]
+ ret
+ restore
+ .size sun4v_scv_send, .-sun4v_scv_send
+
+ .globl sun4v_scv_recv
+ .type sun4v_scv_recv,#function
+sun4v_scv_recv:
+ save %sp, -192, %sp
+ mov %i0, %o0
+ mov %i1, %o1
+ mov %i2, %o2
+ mov HV_FAST_SVC_RECV, %o5
+ ta HV_FAST_TRAP
+ stx %o1, [%i3]
+ ret
+ restore
+ .size sun4v_scv_recv, .-sun4v_scv_recv
+
+ .globl sun4v_scv_getstatus
+ .type sun4v_scv_getstatus,#function
+sun4v_scv_getstatus:
+ mov HV_FAST_SVC_GETSTATUS, %o5
+ mov %o1, %o4
+ ta HV_FAST_TRAP
+ stx %o1, [%o4]
+ retl
+ nop
+ .size sun4v_scv_getstatus, .-sun4v_scv_getstatus
+
+ .globl sun4v_scv_setstatus
+ .type sun4v_scv_setstatus,#function
+sun4v_scv_setstatus:
+ mov HV_FAST_SVC_SETSTATUS, %o5
+ ta HV_FAST_TRAP
+ retl
+ nop
+ .size sun4v_scv_setstatus, .-sun4v_scv_setstatus
+
+ .globl sun4v_scv_clrstatus
+ .type sun4v_scv_clrstatus,#function
+sun4v_scv_clrstatus:
+ mov HV_FAST_SVC_CLRSTATUS, %o5
+ ta HV_FAST_TRAP
+ retl
+ nop
+ .size sun4v_scv_clrstatus, .-sun4v_scv_clrstatus