diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv/opal-wrappers.S')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-wrappers.S | 71 |
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); |