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-rw-r--r--arch/powerpc/platforms/powernv/opal-wrappers.S71
1 files changed, 40 insertions, 31 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S
index da8a0f7a035c..f620572f891f 100644
--- a/arch/powerpc/platforms/powernv/opal-wrappers.S
+++ b/arch/powerpc/platforms/powernv/opal-wrappers.S
@@ -50,21 +50,13 @@ END_FTR_SECTION(0, 1); \
#define OPAL_BRANCH(LABEL)
#endif
-/* TODO:
- *
- * - Trace irqs in/off (needs saving/restoring all args, argh...)
- * - Get r11 feed up by Dave so I can have better register usage
+/*
+ * DO_OPAL_CALL assumes:
+ * r0 = opal call token
+ * r12 = msr
+ * LR has been saved
*/
-
-#define OPAL_CALL(name, token) \
- _GLOBAL_TOC(name); \
- mfmsr r12; \
- mflr r0; \
- andi. r11,r12,MSR_IR|MSR_DR; \
- std r0,PPC_LR_STKOFF(r1); \
- li r0,token; \
- beq opal_real_call; \
- OPAL_BRANCH(opal_tracepoint_entry) \
+#define DO_OPAL_CALL() \
mfcr r11; \
stw r11,8(r1); \
li r11,0; \
@@ -83,6 +75,18 @@ END_FTR_SECTION(0, 1); \
mtspr SPRN_HSRR0,r12; \
hrfid
+#define OPAL_CALL(name, token) \
+ _GLOBAL_TOC(name); \
+ mfmsr r12; \
+ mflr r0; \
+ andi. r11,r12,MSR_IR|MSR_DR; \
+ std r0,PPC_LR_STKOFF(r1); \
+ li r0,token; \
+ beq opal_real_call; \
+ OPAL_BRANCH(opal_tracepoint_entry) \
+ DO_OPAL_CALL()
+
+
opal_return:
/*
* Fixup endian on OPAL return... we should be able to simplify
@@ -148,26 +152,13 @@ opal_tracepoint_entry:
ld r8,STK_REG(R29)(r1)
ld r9,STK_REG(R30)(r1)
ld r10,STK_REG(R31)(r1)
+
+ /* setup LR so we return via tracepoint_return */
LOAD_REG_ADDR(r11,opal_tracepoint_return)
- mfcr r12
std r11,16(r1)
- stw r12,8(r1)
- li r11,0
+
mfmsr r12
- ori r11,r11,MSR_EE
- std r12,PACASAVEDMSR(r13)
- andc r12,r12,r11
- mtmsrd r12,1
- LOAD_REG_ADDR(r11,opal_return)
- mtlr r11
- li r11,MSR_DR|MSR_IR|MSR_LE
- andc r12,r12,r11
- mtspr SPRN_HSRR1,r12
- LOAD_REG_ADDR(r11,opal)
- ld r12,8(r11)
- ld r2,0(r11)
- mtspr SPRN_HSRR0,r12
- hrfid
+ DO_OPAL_CALL()
opal_tracepoint_return:
std r3,STK_REG(R31)(r1)
@@ -301,3 +292,21 @@ OPAL_CALL(opal_int_eoi, OPAL_INT_EOI);
OPAL_CALL(opal_int_set_mfrr, OPAL_INT_SET_MFRR);
OPAL_CALL(opal_pci_tce_kill, OPAL_PCI_TCE_KILL);
OPAL_CALL(opal_nmmu_set_ptcr, OPAL_NMMU_SET_PTCR);
+OPAL_CALL(opal_xive_reset, OPAL_XIVE_RESET);
+OPAL_CALL(opal_xive_get_irq_info, OPAL_XIVE_GET_IRQ_INFO);
+OPAL_CALL(opal_xive_get_irq_config, OPAL_XIVE_GET_IRQ_CONFIG);
+OPAL_CALL(opal_xive_set_irq_config, OPAL_XIVE_SET_IRQ_CONFIG);
+OPAL_CALL(opal_xive_get_queue_info, OPAL_XIVE_GET_QUEUE_INFO);
+OPAL_CALL(opal_xive_set_queue_info, OPAL_XIVE_SET_QUEUE_INFO);
+OPAL_CALL(opal_xive_donate_page, OPAL_XIVE_DONATE_PAGE);
+OPAL_CALL(opal_xive_alloc_vp_block, OPAL_XIVE_ALLOCATE_VP_BLOCK);
+OPAL_CALL(opal_xive_free_vp_block, OPAL_XIVE_FREE_VP_BLOCK);
+OPAL_CALL(opal_xive_allocate_irq, OPAL_XIVE_ALLOCATE_IRQ);
+OPAL_CALL(opal_xive_free_irq, OPAL_XIVE_FREE_IRQ);
+OPAL_CALL(opal_xive_get_vp_info, OPAL_XIVE_GET_VP_INFO);
+OPAL_CALL(opal_xive_set_vp_info, OPAL_XIVE_SET_VP_INFO);
+OPAL_CALL(opal_xive_sync, OPAL_XIVE_SYNC);
+OPAL_CALL(opal_xive_dump, OPAL_XIVE_DUMP);
+OPAL_CALL(opal_npu_init_context, OPAL_NPU_INIT_CONTEXT);
+OPAL_CALL(opal_npu_destroy_context, OPAL_NPU_DESTROY_CONTEXT);
+OPAL_CALL(opal_npu_map_lpar, OPAL_NPU_MAP_LPAR);