[mirror_ubuntu-zesty-kernel.git] / arch / powerpc / platforms / powernv / opal-wrappers.S

/*
 * PowerNV OPAL API wrappers
 *
 * Copyright 2011 IBM Corp.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#include <linux/jump_label.h>
#include <asm/ppc_asm.h>
#include <asm/hvcall.h>
#include <asm/asm-offsets.h>
#include <asm/opal.h>

	.section	".text"

#ifdef CONFIG_TRACEPOINTS
#ifdef HAVE_JUMP_LABEL
#define OPAL_BRANCH(LABEL)					\
	ARCH_STATIC_BRANCH(LABEL, opal_tracepoint_key)
#else

	.section	".toc","aw"

	.globl opal_tracepoint_refcount
opal_tracepoint_refcount:
	.llong	0

	.section	".text"

/*
 * We branch around this in early init by using an unconditional cpu
 * feature.
 */
#define OPAL_BRANCH(LABEL)					\
BEGIN_FTR_SECTION;						\
	b	1f;						\
END_FTR_SECTION(0, 1);						\
	ld	r12,opal_tracepoint_refcount@toc(r2);		\
	cmpdi	r12,0;						\
	bne-	LABEL;						\
1:

#endif

#else
#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
 */

#define OPAL_CALL(name, token)		\
 _GLOBAL_TOC(name);			\
	mflr	r0;			\
	std	r0,PPC_LR_STKOFF(r1);	\
	li	r0,token;		\
	OPAL_BRANCH(opal_tracepoint_entry) \
	mfcr	r12;			\
	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

opal_return:
	/*
	 * Fixup endian on OPAL return... we should be able to simplify
	 * this by instead converting the below trampoline to a set of
	 * bytes (always BE) since MSR:LE will end up fixed up as a side
	 * effect of the rfid.
	 */
	FIXUP_ENDIAN
	ld	r2,PACATOC(r13);
	lwz	r4,8(r1);
	ld	r5,PPC_LR_STKOFF(r1);
	ld	r6,PACASAVEDMSR(r13);
	mtspr	SPRN_SRR0,r5;
	mtspr	SPRN_SRR1,r6;
	mtcr	r4;
	rfid

#ifdef CONFIG_TRACEPOINTS
opal_tracepoint_entry:
	stdu	r1,-STACKFRAMESIZE(r1)
	std	r0,STK_REG(R23)(r1)
	std	r3,STK_REG(R24)(r1)
	std	r4,STK_REG(R25)(r1)
	std	r5,STK_REG(R26)(r1)
	std	r6,STK_REG(R27)(r1)
	std	r7,STK_REG(R28)(r1)
	std	r8,STK_REG(R29)(r1)
	std	r9,STK_REG(R30)(r1)
	std	r10,STK_REG(R31)(r1)
	mr	r3,r0
	addi	r4,r1,STK_REG(R24)
	bl	__trace_opal_entry
	ld	r0,STK_REG(R23)(r1)
	ld	r3,STK_REG(R24)(r1)
	ld	r4,STK_REG(R25)(r1)
	ld	r5,STK_REG(R26)(r1)
	ld	r6,STK_REG(R27)(r1)
	ld	r7,STK_REG(R28)(r1)
	ld	r8,STK_REG(R29)(r1)
	ld	r9,STK_REG(R30)(r1)
	ld	r10,STK_REG(R31)(r1)
	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

opal_tracepoint_return:
	std	r3,STK_REG(R31)(r1)
	mr	r4,r3
	ld	r0,STK_REG(R23)(r1)
	bl	__trace_opal_exit
	ld	r3,STK_REG(R31)(r1)
	addi	r1,r1,STACKFRAMESIZE
	ld	r0,16(r1)
	mtlr	r0
	blr
#endif

#define OPAL_CALL_REAL(name, token)			\
 _GLOBAL_TOC(name);					\
	mflr	r0;					\
	std	r0,PPC_LR_STKOFF(r1);			\
	li	r0,token;				\
	mfcr	r12;					\
	stw	r12,8(r1);				\
							\
	/* Set opal return address */			\
	LOAD_REG_ADDR(r11, opal_return_realmode);	\
	mtlr	r11;					\
	mfmsr	r12;					\
	li	r11,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

opal_return_realmode:
	FIXUP_ENDIAN
	ld	r2,PACATOC(r13);
	lwz	r11,8(r1);
	ld	r12,PPC_LR_STKOFF(r1)
	mtcr	r11;
	mtlr	r12
	blr


OPAL_CALL(opal_invalid_call,			OPAL_INVALID_CALL);
OPAL_CALL(opal_console_write,			OPAL_CONSOLE_WRITE);
OPAL_CALL(opal_console_read,			OPAL_CONSOLE_READ);
OPAL_CALL(opal_console_write_buffer_space,	OPAL_CONSOLE_WRITE_BUFFER_SPACE);
OPAL_CALL(opal_rtc_read,			OPAL_RTC_READ);
OPAL_CALL(opal_rtc_write,			OPAL_RTC_WRITE);
OPAL_CALL(opal_cec_power_down,			OPAL_CEC_POWER_DOWN);
OPAL_CALL(opal_cec_reboot,			OPAL_CEC_REBOOT);
OPAL_CALL(opal_cec_reboot2,			OPAL_CEC_REBOOT2);
OPAL_CALL(opal_read_nvram,			OPAL_READ_NVRAM);
OPAL_CALL(opal_write_nvram,			OPAL_WRITE_NVRAM);
OPAL_CALL(opal_handle_interrupt,		OPAL_HANDLE_INTERRUPT);
OPAL_CALL(opal_poll_events,			OPAL_POLL_EVENTS);
OPAL_CALL(opal_pci_set_hub_tce_memory,		OPAL_PCI_SET_HUB_TCE_MEMORY);
OPAL_CALL(opal_pci_set_phb_tce_memory,		OPAL_PCI_SET_PHB_TCE_MEMORY);
OPAL_CALL(opal_pci_config_read_byte,		OPAL_PCI_CONFIG_READ_BYTE);
OPAL_CALL(opal_pci_config_read_half_word,	OPAL_PCI_CONFIG_READ_HALF_WORD);
OPAL_CALL(opal_pci_config_read_word,		OPAL_PCI_CONFIG_READ_WORD);
OPAL_CALL(opal_pci_config_write_byte,		OPAL_PCI_CONFIG_WRITE_BYTE);
OPAL_CALL(opal_pci_config_write_half_word,	OPAL_PCI_CONFIG_WRITE_HALF_WORD);
OPAL_CALL(opal_pci_config_write_word,		OPAL_PCI_CONFIG_WRITE_WORD);
OPAL_CALL(opal_set_xive,			OPAL_SET_XIVE);
OPAL_CALL_REAL(opal_rm_set_xive,		OPAL_SET_XIVE);
OPAL_CALL(opal_get_xive,			OPAL_GET_XIVE);
OPAL_CALL(opal_register_exception_handler,	OPAL_REGISTER_OPAL_EXCEPTION_HANDLER);
OPAL_CALL(opal_pci_eeh_freeze_status,		OPAL_PCI_EEH_FREEZE_STATUS);
OPAL_CALL(opal_pci_eeh_freeze_clear,		OPAL_PCI_EEH_FREEZE_CLEAR);
OPAL_CALL(opal_pci_eeh_freeze_set,		OPAL_PCI_EEH_FREEZE_SET);
OPAL_CALL(opal_pci_err_inject,			OPAL_PCI_ERR_INJECT);
OPAL_CALL(opal_pci_shpc,			OPAL_PCI_SHPC);
OPAL_CALL(opal_pci_phb_mmio_enable,		OPAL_PCI_PHB_MMIO_ENABLE);
OPAL_CALL(opal_pci_set_phb_mem_window,		OPAL_PCI_SET_PHB_MEM_WINDOW);
OPAL_CALL(opal_pci_map_pe_mmio_window,		OPAL_PCI_MAP_PE_MMIO_WINDOW);
OPAL_CALL(opal_pci_set_phb_table_memory,	OPAL_PCI_SET_PHB_TABLE_MEMORY);
OPAL_CALL(opal_pci_set_pe,			OPAL_PCI_SET_PE);
OPAL_CALL(opal_pci_set_peltv,			OPAL_PCI_SET_PELTV);
OPAL_CALL(opal_pci_set_mve,			OPAL_PCI_SET_MVE);
OPAL_CALL(opal_pci_set_mve_enable,		OPAL_PCI_SET_MVE_ENABLE);
OPAL_CALL(opal_pci_get_xive_reissue,		OPAL_PCI_GET_XIVE_REISSUE);
OPAL_CALL(opal_pci_set_xive_reissue,		OPAL_PCI_SET_XIVE_REISSUE);
OPAL_CALL(opal_pci_set_xive_pe,			OPAL_PCI_SET_XIVE_PE);
OPAL_CALL(opal_get_xive_source,			OPAL_GET_XIVE_SOURCE);
OPAL_CALL(opal_get_msi_32,			OPAL_GET_MSI_32);
OPAL_CALL(opal_get_msi_64,			OPAL_GET_MSI_64);
OPAL_CALL(opal_start_cpu,			OPAL_START_CPU);
OPAL_CALL(opal_query_cpu_status,		OPAL_QUERY_CPU_STATUS);
OPAL_CALL(opal_write_oppanel,			OPAL_WRITE_OPPANEL);
OPAL_CALL(opal_pci_map_pe_dma_window,		OPAL_PCI_MAP_PE_DMA_WINDOW);
OPAL_CALL(opal_pci_map_pe_dma_window_real,	OPAL_PCI_MAP_PE_DMA_WINDOW_REAL);
OPAL_CALL(opal_pci_reset,			OPAL_PCI_RESET);
OPAL_CALL(opal_pci_get_hub_diag_data,		OPAL_PCI_GET_HUB_DIAG_DATA);
OPAL_CALL(opal_pci_get_phb_diag_data,		OPAL_PCI_GET_PHB_DIAG_DATA);
OPAL_CALL(opal_pci_fence_phb,			OPAL_PCI_FENCE_PHB);
OPAL_CALL(opal_pci_reinit,			OPAL_PCI_REINIT);
OPAL_CALL(opal_pci_mask_pe_error,		OPAL_PCI_MASK_PE_ERROR);
OPAL_CALL(opal_set_slot_led_status,		OPAL_SET_SLOT_LED_STATUS);
OPAL_CALL(opal_get_epow_status,			OPAL_GET_EPOW_STATUS);
OPAL_CALL(opal_get_dpo_status,			OPAL_GET_DPO_STATUS);
OPAL_CALL(opal_set_system_attention_led,	OPAL_SET_SYSTEM_ATTENTION_LED);
OPAL_CALL(opal_pci_next_error,			OPAL_PCI_NEXT_ERROR);
OPAL_CALL(opal_pci_poll,			OPAL_PCI_POLL);
OPAL_CALL(opal_pci_msi_eoi,			OPAL_PCI_MSI_EOI);
OPAL_CALL(opal_pci_get_phb_diag_data2,		OPAL_PCI_GET_PHB_DIAG_DATA2);
OPAL_CALL(opal_xscom_read,			OPAL_XSCOM_READ);
OPAL_CALL(opal_xscom_write,			OPAL_XSCOM_WRITE);
OPAL_CALL(opal_lpc_read,			OPAL_LPC_READ);
OPAL_CALL(opal_lpc_write,			OPAL_LPC_WRITE);
OPAL_CALL(opal_return_cpu,			OPAL_RETURN_CPU);
OPAL_CALL(opal_reinit_cpus,			OPAL_REINIT_CPUS);
OPAL_CALL(opal_read_elog,			OPAL_ELOG_READ);
OPAL_CALL(opal_send_ack_elog,			OPAL_ELOG_ACK);
OPAL_CALL(opal_get_elog_size,			OPAL_ELOG_SIZE);
OPAL_CALL(opal_resend_pending_logs,		OPAL_ELOG_RESEND);
OPAL_CALL(opal_write_elog,			OPAL_ELOG_WRITE);
OPAL_CALL(opal_validate_flash,			OPAL_FLASH_VALIDATE);
OPAL_CALL(opal_manage_flash,			OPAL_FLASH_MANAGE);
OPAL_CALL(opal_update_flash,			OPAL_FLASH_UPDATE);
OPAL_CALL(opal_resync_timebase,			OPAL_RESYNC_TIMEBASE);
OPAL_CALL_REAL(opal_rm_resync_timebase,		OPAL_RESYNC_TIMEBASE);
OPAL_CALL(opal_check_token,			OPAL_CHECK_TOKEN);
OPAL_CALL(opal_dump_init,			OPAL_DUMP_INIT);
OPAL_CALL(opal_dump_info,			OPAL_DUMP_INFO);
OPAL_CALL(opal_dump_info2,			OPAL_DUMP_INFO2);
OPAL_CALL(opal_dump_read,			OPAL_DUMP_READ);
OPAL_CALL(opal_dump_ack,			OPAL_DUMP_ACK);
OPAL_CALL(opal_get_msg,				OPAL_GET_MSG);
OPAL_CALL(opal_write_oppanel_async,		OPAL_WRITE_OPPANEL_ASYNC);
OPAL_CALL(opal_check_completion,		OPAL_CHECK_ASYNC_COMPLETION);
OPAL_CALL(opal_dump_resend_notification,	OPAL_DUMP_RESEND);
OPAL_CALL(opal_sync_host_reboot,		OPAL_SYNC_HOST_REBOOT);
OPAL_CALL(opal_sensor_read,			OPAL_SENSOR_READ);
OPAL_CALL(opal_get_param,			OPAL_GET_PARAM);
OPAL_CALL(opal_set_param,			OPAL_SET_PARAM);
OPAL_CALL(opal_handle_hmi,			OPAL_HANDLE_HMI);
OPAL_CALL_REAL(opal_rm_handle_hmi,		OPAL_HANDLE_HMI);
OPAL_CALL(opal_config_cpu_idle_state,		OPAL_CONFIG_CPU_IDLE_STATE);
OPAL_CALL_REAL(opal_rm_config_cpu_idle_state,	OPAL_CONFIG_CPU_IDLE_STATE);
OPAL_CALL(opal_slw_set_reg,			OPAL_SLW_SET_REG);
OPAL_CALL(opal_register_dump_region,		OPAL_REGISTER_DUMP_REGION);
OPAL_CALL(opal_unregister_dump_region,		OPAL_UNREGISTER_DUMP_REGION);
OPAL_CALL(opal_pci_set_phb_cxl_mode,		OPAL_PCI_SET_PHB_CAPI_MODE);
OPAL_CALL(opal_tpo_write,			OPAL_WRITE_TPO);
OPAL_CALL(opal_tpo_read,			OPAL_READ_TPO);
OPAL_CALL(opal_ipmi_send,			OPAL_IPMI_SEND);
OPAL_CALL(opal_ipmi_recv,			OPAL_IPMI_RECV);
OPAL_CALL(opal_i2c_request,			OPAL_I2C_REQUEST);
OPAL_CALL(opal_flash_read,			OPAL_FLASH_READ);
OPAL_CALL(opal_flash_write,			OPAL_FLASH_WRITE);
OPAL_CALL(opal_flash_erase,			OPAL_FLASH_ERASE);
OPAL_CALL(opal_prd_msg,				OPAL_PRD_MSG);
OPAL_CALL(opal_leds_get_ind,			OPAL_LEDS_GET_INDICATOR);
OPAL_CALL(opal_leds_set_ind,			OPAL_LEDS_SET_INDICATOR);
OPAL_CALL(opal_console_flush,			OPAL_CONSOLE_FLUSH);
OPAL_CALL(opal_get_device_tree,			OPAL_GET_DEVICE_TREE);
OPAL_CALL(opal_pci_get_presence_state,		OPAL_PCI_GET_PRESENCE_STATE);
OPAL_CALL(opal_pci_get_power_state,		OPAL_PCI_GET_POWER_STATE);
OPAL_CALL(opal_pci_set_power_state,		OPAL_PCI_SET_POWER_STATE);
OPAL_CALL(opal_int_get_xirr,			OPAL_INT_GET_XIRR);
OPAL_CALL_REAL(opal_rm_int_get_xirr,		OPAL_INT_GET_XIRR);
OPAL_CALL(opal_int_set_cppr,			OPAL_INT_SET_CPPR);
OPAL_CALL(opal_int_eoi,				OPAL_INT_EOI);
OPAL_CALL_REAL(opal_rm_int_eoi,			OPAL_INT_EOI);
OPAL_CALL(opal_int_set_mfrr,			OPAL_INT_SET_MFRR);
OPAL_CALL_REAL(opal_rm_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_REAL(opal_rm_pci_tce_kill,		OPAL_PCI_TCE_KILL);
Commit	Line	Data
14a43e69 BH	1	/*
	2	* PowerNV OPAL API wrappers
	3	*
	4	* Copyright 2011 IBM Corp.
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public License
	8	* as published by the Free Software Foundation; either version
	9	* 2 of the License, or (at your option) any later version.
	10	*/
	11
58995a9a	12	#include <linux/jump_label.h>
14a43e69 BH	13	#include <asm/ppc_asm.h>
	14	#include <asm/hvcall.h>
	15	#include <asm/asm-offsets.h>
	16	#include <asm/opal.h>
c49f6353 AB	17
	18	.section ".text"
	19
	20	#ifdef CONFIG_TRACEPOINTS
1bc9e47a	21	#ifdef HAVE_JUMP_LABEL
c49f6353 AB	22	#define OPAL_BRANCH(LABEL) \
	23	ARCH_STATIC_BRANCH(LABEL, opal_tracepoint_key)
	24	#else
	25
	26	.section ".toc","aw"
	27
	28	.globl opal_tracepoint_refcount
	29	opal_tracepoint_refcount:
	30	.llong 0
	31
	32	.section ".text"
	33
	34	/*
	35	* We branch around this in early init by using an unconditional cpu
	36	* feature.
	37	*/
	38	#define OPAL_BRANCH(LABEL) \
	39	BEGIN_FTR_SECTION; \
	40	b 1f; \
	41	END_FTR_SECTION(0, 1); \
	42	ld r12,opal_tracepoint_refcount@toc(r2); \
c49f6353 AB	43	cmpdi r12,0; \
	44	bne- LABEL; \
	45	1:
	46
	47	#endif
	48
	49	#else
	50	#define OPAL_BRANCH(LABEL)
	51	#endif
14a43e69 BH	52
	53	/* TODO:
	54	*
	55	* - Trace irqs in/off (needs saving/restoring all args, argh...)
	56	* - Get r11 feed up by Dave so I can have better register usage
	57	*/
c49f6353	58
14a43e69	59	#define OPAL_CALL(name, token) \
19d36c21	60	_GLOBAL_TOC(name); \
14a43e69	61	mflr r0; \
69c592ed	62	std r0,PPC_LR_STKOFF(r1); \
c49f6353 AB	63	li r0,token; \
	64	OPAL_BRANCH(opal_tracepoint_entry) \
	65	mfcr r12; \
bbe30b3b	66	stw r12,8(r1); \
c49f6353	67	li r11,0; \
14a43e69	68	mfmsr r12; \
c49f6353	69	ori r11,r11,MSR_EE; \
14a43e69	70	std r12,PACASAVEDMSR(r13); \
c49f6353	71	andc r12,r12,r11; \
14a43e69	72	mtmsrd r12,1; \
c49f6353 AB	73	LOAD_REG_ADDR(r11,opal_return); \
	74	mtlr r11; \
	75	li r11,MSR_DR\|MSR_IR\|MSR_LE;\
	76	andc r12,r12,r11; \
14a43e69 BH	77	mtspr SPRN_HSRR1,r12; \
	78	LOAD_REG_ADDR(r11,opal); \
	79	ld r12,8(r11); \
	80	ld r2,0(r11); \
	81	mtspr SPRN_HSRR0,r12; \
	82	hrfid
	83
ad0289e4	84	opal_return:
be401b37 BH	85	/*
	86	* Fixup endian on OPAL return... we should be able to simplify
	87	* this by instead converting the below trampoline to a set of
	88	* bytes (always BE) since MSR:LE will end up fixed up as a side
	89	* effect of the rfid.
	90	*/
	91	FIXUP_ENDIAN
14a43e69	92	ld r2,PACATOC(r13);
bbe30b3b	93	lwz r4,8(r1);
69c592ed	94	ld r5,PPC_LR_STKOFF(r1);
14a43e69 BH	95	ld r6,PACASAVEDMSR(r13);
	96	mtspr SPRN_SRR0,r5;
	97	mtspr SPRN_SRR1,r6;
	98	mtcr r4;
	99	rfid
	100
c49f6353 AB	101	#ifdef CONFIG_TRACEPOINTS
	102	opal_tracepoint_entry:
	103	stdu r1,-STACKFRAMESIZE(r1)
	104	std r0,STK_REG(R23)(r1)
	105	std r3,STK_REG(R24)(r1)
	106	std r4,STK_REG(R25)(r1)
	107	std r5,STK_REG(R26)(r1)
	108	std r6,STK_REG(R27)(r1)
	109	std r7,STK_REG(R28)(r1)
	110	std r8,STK_REG(R29)(r1)
	111	std r9,STK_REG(R30)(r1)
	112	std r10,STK_REG(R31)(r1)
	113	mr r3,r0
	114	addi r4,r1,STK_REG(R24)
	115	bl __trace_opal_entry
	116	ld r0,STK_REG(R23)(r1)
	117	ld r3,STK_REG(R24)(r1)
	118	ld r4,STK_REG(R25)(r1)
	119	ld r5,STK_REG(R26)(r1)
	120	ld r6,STK_REG(R27)(r1)
	121	ld r7,STK_REG(R28)(r1)
	122	ld r8,STK_REG(R29)(r1)
	123	ld r9,STK_REG(R30)(r1)
	124	ld r10,STK_REG(R31)(r1)
	125	LOAD_REG_ADDR(r11,opal_tracepoint_return)
	126	mfcr r12
	127	std r11,16(r1)
	128	stw r12,8(r1)
c49f6353 AB	129	li r11,0
	130	mfmsr r12
	131	ori r11,r11,MSR_EE
	132	std r12,PACASAVEDMSR(r13)
	133	andc r12,r12,r11
	134	mtmsrd r12,1
	135	LOAD_REG_ADDR(r11,opal_return)
	136	mtlr r11
	137	li r11,MSR_DR\|MSR_IR\|MSR_LE
	138	andc r12,r12,r11
	139	mtspr SPRN_HSRR1,r12
	140	LOAD_REG_ADDR(r11,opal)
	141	ld r12,8(r11)
	142	ld r2,0(r11)
	143	mtspr SPRN_HSRR0,r12
	144	hrfid
	145
	146	opal_tracepoint_return:
	147	std r3,STK_REG(R31)(r1)
	148	mr r4,r3
	149	ld r0,STK_REG(R23)(r1)
	150	bl __trace_opal_exit
	151	ld r3,STK_REG(R31)(r1)
	152	addi r1,r1,STACKFRAMESIZE
	153	ld r0,16(r1)
	154	mtlr r0
	155	blr
	156	#endif
	157
69c592ed BH	158	#define OPAL_CALL_REAL(name, token) \
	159	_GLOBAL_TOC(name); \
	160	mflr r0; \
	161	std r0,PPC_LR_STKOFF(r1); \
	162	li r0,token; \
	163	mfcr r12; \
	164	stw r12,8(r1); \
	165	\
	166	/* Set opal return address */ \
	167	LOAD_REG_ADDR(r11, opal_return_realmode); \
	168	mtlr r11; \
	169	mfmsr r12; \
	170	li r11,MSR_LE; \
	171	andc r12,r12,r11; \
	172	mtspr SPRN_HSRR1,r12; \
	173	LOAD_REG_ADDR(r11,opal); \
	174	ld r12,8(r11); \
	175	ld r2,0(r11); \
	176	mtspr SPRN_HSRR0,r12; \
7cba160a SP	177	hrfid
7cba160a SP	178
69c592ed	179	opal_return_realmode:
7cba160a	180	FIXUP_ENDIAN
69c592ed BH	181	ld r2,PACATOC(r13);
69c592ed BH	182	lwz r11,8(r1);
7cba160a	183	ld r12,PPC_LR_STKOFF(r1)
69c592ed	184	mtcr r11;
7cba160a SP	185	mtlr r12
	186	blr
	187
69c592ed	188
e28b05e7	189	OPAL_CALL(opal_invalid_call, OPAL_INVALID_CALL);
14a43e69 BH	190	OPAL_CALL(opal_console_write, OPAL_CONSOLE_WRITE);
	191	OPAL_CALL(opal_console_read, OPAL_CONSOLE_READ);
	192	OPAL_CALL(opal_console_write_buffer_space, OPAL_CONSOLE_WRITE_BUFFER_SPACE);
	193	OPAL_CALL(opal_rtc_read, OPAL_RTC_READ);
	194	OPAL_CALL(opal_rtc_write, OPAL_RTC_WRITE);
	195	OPAL_CALL(opal_cec_power_down, OPAL_CEC_POWER_DOWN);
	196	OPAL_CALL(opal_cec_reboot, OPAL_CEC_REBOOT);
e784b649	197	OPAL_CALL(opal_cec_reboot2, OPAL_CEC_REBOOT2);
14a43e69 BH	198	OPAL_CALL(opal_read_nvram, OPAL_READ_NVRAM);
	199	OPAL_CALL(opal_write_nvram, OPAL_WRITE_NVRAM);
	200	OPAL_CALL(opal_handle_interrupt, OPAL_HANDLE_INTERRUPT);
	201	OPAL_CALL(opal_poll_events, OPAL_POLL_EVENTS);
	202	OPAL_CALL(opal_pci_set_hub_tce_memory, OPAL_PCI_SET_HUB_TCE_MEMORY);
	203	OPAL_CALL(opal_pci_set_phb_tce_memory, OPAL_PCI_SET_PHB_TCE_MEMORY);
	204	OPAL_CALL(opal_pci_config_read_byte, OPAL_PCI_CONFIG_READ_BYTE);
	205	OPAL_CALL(opal_pci_config_read_half_word, OPAL_PCI_CONFIG_READ_HALF_WORD);
	206	OPAL_CALL(opal_pci_config_read_word, OPAL_PCI_CONFIG_READ_WORD);
	207	OPAL_CALL(opal_pci_config_write_byte, OPAL_PCI_CONFIG_WRITE_BYTE);
	208	OPAL_CALL(opal_pci_config_write_half_word, OPAL_PCI_CONFIG_WRITE_HALF_WORD);
	209	OPAL_CALL(opal_pci_config_write_word, OPAL_PCI_CONFIG_WRITE_WORD);
	210	OPAL_CALL(opal_set_xive, OPAL_SET_XIVE);
5d375199	211	OPAL_CALL_REAL(opal_rm_set_xive, OPAL_SET_XIVE);
14a43e69 BH	212	OPAL_CALL(opal_get_xive, OPAL_GET_XIVE);
	213	OPAL_CALL(opal_register_exception_handler, OPAL_REGISTER_OPAL_EXCEPTION_HANDLER);
	214	OPAL_CALL(opal_pci_eeh_freeze_status, OPAL_PCI_EEH_FREEZE_STATUS);
	215	OPAL_CALL(opal_pci_eeh_freeze_clear, OPAL_PCI_EEH_FREEZE_CLEAR);
5ca27efb	216	OPAL_CALL(opal_pci_eeh_freeze_set, OPAL_PCI_EEH_FREEZE_SET);
5b642340	217	OPAL_CALL(opal_pci_err_inject, OPAL_PCI_ERR_INJECT);
14a43e69 BH	218	OPAL_CALL(opal_pci_shpc, OPAL_PCI_SHPC);
	219	OPAL_CALL(opal_pci_phb_mmio_enable, OPAL_PCI_PHB_MMIO_ENABLE);
	220	OPAL_CALL(opal_pci_set_phb_mem_window, OPAL_PCI_SET_PHB_MEM_WINDOW);
	221	OPAL_CALL(opal_pci_map_pe_mmio_window, OPAL_PCI_MAP_PE_MMIO_WINDOW);
	222	OPAL_CALL(opal_pci_set_phb_table_memory, OPAL_PCI_SET_PHB_TABLE_MEMORY);
	223	OPAL_CALL(opal_pci_set_pe, OPAL_PCI_SET_PE);
	224	OPAL_CALL(opal_pci_set_peltv, OPAL_PCI_SET_PELTV);
	225	OPAL_CALL(opal_pci_set_mve, OPAL_PCI_SET_MVE);
	226	OPAL_CALL(opal_pci_set_mve_enable, OPAL_PCI_SET_MVE_ENABLE);
	227	OPAL_CALL(opal_pci_get_xive_reissue, OPAL_PCI_GET_XIVE_REISSUE);
	228	OPAL_CALL(opal_pci_set_xive_reissue, OPAL_PCI_SET_XIVE_REISSUE);
	229	OPAL_CALL(opal_pci_set_xive_pe, OPAL_PCI_SET_XIVE_PE);
	230	OPAL_CALL(opal_get_xive_source, OPAL_GET_XIVE_SOURCE);
	231	OPAL_CALL(opal_get_msi_32, OPAL_GET_MSI_32);
	232	OPAL_CALL(opal_get_msi_64, OPAL_GET_MSI_64);
	233	OPAL_CALL(opal_start_cpu, OPAL_START_CPU);
	234	OPAL_CALL(opal_query_cpu_status, OPAL_QUERY_CPU_STATUS);
	235	OPAL_CALL(opal_write_oppanel, OPAL_WRITE_OPPANEL);
	236	OPAL_CALL(opal_pci_map_pe_dma_window, OPAL_PCI_MAP_PE_DMA_WINDOW);
	237	OPAL_CALL(opal_pci_map_pe_dma_window_real, OPAL_PCI_MAP_PE_DMA_WINDOW_REAL);
	238	OPAL_CALL(opal_pci_reset, OPAL_PCI_RESET);
f11fe552 BH	239	OPAL_CALL(opal_pci_get_hub_diag_data, OPAL_PCI_GET_HUB_DIAG_DATA);
	240	OPAL_CALL(opal_pci_get_phb_diag_data, OPAL_PCI_GET_PHB_DIAG_DATA);
	241	OPAL_CALL(opal_pci_fence_phb, OPAL_PCI_FENCE_PHB);
	242	OPAL_CALL(opal_pci_reinit, OPAL_PCI_REINIT);
	243	OPAL_CALL(opal_pci_mask_pe_error, OPAL_PCI_MASK_PE_ERROR);
	244	OPAL_CALL(opal_set_slot_led_status, OPAL_SET_SLOT_LED_STATUS);
	245	OPAL_CALL(opal_get_epow_status, OPAL_GET_EPOW_STATUS);
3b476aad	246	OPAL_CALL(opal_get_dpo_status, OPAL_GET_DPO_STATUS);
f11fe552	247	OPAL_CALL(opal_set_system_attention_led, OPAL_SET_SYSTEM_ATTENTION_LED);
23773230 GS	248	OPAL_CALL(opal_pci_next_error, OPAL_PCI_NEXT_ERROR);
23773230 GS	249	OPAL_CALL(opal_pci_poll, OPAL_PCI_POLL);
137436c9	250	OPAL_CALL(opal_pci_msi_eoi, OPAL_PCI_MSI_EOI);
23773230	251	OPAL_CALL(opal_pci_get_phb_diag_data2, OPAL_PCI_GET_PHB_DIAG_DATA2);
cc0efb57 BH	252	OPAL_CALL(opal_xscom_read, OPAL_XSCOM_READ);
	253	OPAL_CALL(opal_xscom_write, OPAL_XSCOM_WRITE);
	254	OPAL_CALL(opal_lpc_read, OPAL_LPC_READ);
	255	OPAL_CALL(opal_lpc_write, OPAL_LPC_WRITE);
13906db6	256	OPAL_CALL(opal_return_cpu, OPAL_RETURN_CPU);
4926616c	257	OPAL_CALL(opal_reinit_cpus, OPAL_REINIT_CPUS);
774fea1a SS	258	OPAL_CALL(opal_read_elog, OPAL_ELOG_READ);
	259	OPAL_CALL(opal_send_ack_elog, OPAL_ELOG_ACK);
	260	OPAL_CALL(opal_get_elog_size, OPAL_ELOG_SIZE);
	261	OPAL_CALL(opal_resend_pending_logs, OPAL_ELOG_RESEND);
	262	OPAL_CALL(opal_write_elog, OPAL_ELOG_WRITE);
50bd6153 VH	263	OPAL_CALL(opal_validate_flash, OPAL_FLASH_VALIDATE);
	264	OPAL_CALL(opal_manage_flash, OPAL_FLASH_MANAGE);
	265	OPAL_CALL(opal_update_flash, OPAL_FLASH_UPDATE);
97eb001f	266	OPAL_CALL(opal_resync_timebase, OPAL_RESYNC_TIMEBASE);
69c592ed	267	OPAL_CALL_REAL(opal_rm_resync_timebase, OPAL_RESYNC_TIMEBASE);
bffe6bda	268	OPAL_CALL(opal_check_token, OPAL_CHECK_TOKEN);
c7e64b9c SS	269	OPAL_CALL(opal_dump_init, OPAL_DUMP_INIT);
	270	OPAL_CALL(opal_dump_info, OPAL_DUMP_INFO);
	271	OPAL_CALL(opal_dump_info2, OPAL_DUMP_INFO2);
	272	OPAL_CALL(opal_dump_read, OPAL_DUMP_READ);
	273	OPAL_CALL(opal_dump_ack, OPAL_DUMP_ACK);
24366360	274	OPAL_CALL(opal_get_msg, OPAL_GET_MSG);
43a1dd9b	275	OPAL_CALL(opal_write_oppanel_async, OPAL_WRITE_OPPANEL_ASYNC);
24366360	276	OPAL_CALL(opal_check_completion, OPAL_CHECK_ASYNC_COMPLETION);
c7e64b9c	277	OPAL_CALL(opal_dump_resend_notification, OPAL_DUMP_RESEND);
f7d98d18	278	OPAL_CALL(opal_sync_host_reboot, OPAL_SYNC_HOST_REBOOT);
7224adbb	279	OPAL_CALL(opal_sensor_read, OPAL_SENSOR_READ);
4029cd66 NG	280	OPAL_CALL(opal_get_param, OPAL_GET_PARAM);
4029cd66 NG	281	OPAL_CALL(opal_set_param, OPAL_SET_PARAM);
0ef95b41	282	OPAL_CALL(opal_handle_hmi, OPAL_HANDLE_HMI);
69c592ed	283	OPAL_CALL_REAL(opal_rm_handle_hmi, OPAL_HANDLE_HMI);
5703d2f4	284	OPAL_CALL(opal_config_cpu_idle_state, OPAL_CONFIG_CPU_IDLE_STATE);
69c592ed	285	OPAL_CALL_REAL(opal_rm_config_cpu_idle_state, OPAL_CONFIG_CPU_IDLE_STATE);
77b54e9f	286	OPAL_CALL(opal_slw_set_reg, OPAL_SLW_SET_REG);
b09c2ec4 VH	287	OPAL_CALL(opal_register_dump_region, OPAL_REGISTER_DUMP_REGION);
b09c2ec4 VH	288	OPAL_CALL(opal_unregister_dump_region, OPAL_UNREGISTER_DUMP_REGION);
d7cf83fc	289	OPAL_CALL(opal_pci_set_phb_cxl_mode, OPAL_PCI_SET_PHB_CAPI_MODE);
16b1d26e NG	290	OPAL_CALL(opal_tpo_write, OPAL_WRITE_TPO);
16b1d26e NG	291	OPAL_CALL(opal_tpo_read, OPAL_READ_TPO);
608b286d JK	292	OPAL_CALL(opal_ipmi_send, OPAL_IPMI_SEND);
608b286d JK	293	OPAL_CALL(opal_ipmi_recv, OPAL_IPMI_RECV);
47083450	294	OPAL_CALL(opal_i2c_request, OPAL_I2C_REQUEST);
ed59190e CB	295	OPAL_CALL(opal_flash_read, OPAL_FLASH_READ);
	296	OPAL_CALL(opal_flash_write, OPAL_FLASH_WRITE);
	297	OPAL_CALL(opal_flash_erase, OPAL_FLASH_ERASE);
0d7cd855	298	OPAL_CALL(opal_prd_msg, OPAL_PRD_MSG);
8a8d9181 AK	299	OPAL_CALL(opal_leds_get_ind, OPAL_LEDS_GET_INDICATOR);
8a8d9181 AK	300	OPAL_CALL(opal_leds_set_ind, OPAL_LEDS_SET_INDICATOR);
affddff6	301	OPAL_CALL(opal_console_flush, OPAL_CONSOLE_FLUSH);
ea0d856c GS	302	OPAL_CALL(opal_get_device_tree, OPAL_GET_DEVICE_TREE);
	303	OPAL_CALL(opal_pci_get_presence_state, OPAL_PCI_GET_PRESENCE_STATE);
	304	OPAL_CALL(opal_pci_get_power_state, OPAL_PCI_GET_POWER_STATE);
	305	OPAL_CALL(opal_pci_set_power_state, OPAL_PCI_SET_POWER_STATE);
9fedd3f8	306	OPAL_CALL(opal_int_get_xirr, OPAL_INT_GET_XIRR);
ffe6d810	307	OPAL_CALL_REAL(opal_rm_int_get_xirr, OPAL_INT_GET_XIRR);
9fedd3f8 BH	308	OPAL_CALL(opal_int_set_cppr, OPAL_INT_SET_CPPR);
9fedd3f8 BH	309	OPAL_CALL(opal_int_eoi, OPAL_INT_EOI);
ffe6d810	310	OPAL_CALL_REAL(opal_rm_int_eoi, OPAL_INT_EOI);
9fedd3f8	311	OPAL_CALL(opal_int_set_mfrr, OPAL_INT_SET_MFRR);
ffe6d810	312	OPAL_CALL_REAL(opal_rm_int_set_mfrr, OPAL_INT_SET_MFRR);
69c592ed	313	OPAL_CALL(opal_pci_tce_kill, OPAL_PCI_TCE_KILL);
4f8a7595	314	OPAL_CALL(opal_nmmu_set_ptcr, OPAL_NMMU_SET_PTCR);
69c592ed	315	OPAL_CALL_REAL(opal_rm_pci_tce_kill, OPAL_PCI_TCE_KILL);