x86, efi: Set runtime_version to the EFI spec revision
[linux/fpc-iii.git] / arch / powerpc / platforms / powernv / opal-wrappers.S
blob3bb07e5e43cdc24f64ce70716a1530431f067cd5
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  */
12 #include <asm/ppc_asm.h>
13 #include <asm/hvcall.h>
14 #include <asm/asm-offsets.h>
15 #include <asm/opal.h>
17 /* TODO:
18  *
19  * - Trace irqs in/off (needs saving/restoring all args, argh...)
20  * - Get r11 feed up by Dave so I can have better register usage
21  */
22 #define OPAL_CALL(name, token)          \
23  _GLOBAL(name);                         \
24         mflr    r0;                     \
25         mfcr    r12;                    \
26         std     r0,16(r1);              \
27         std     r12,8(r1);              \
28         std     r1,PACAR1(r13);         \
29         li      r0,0;                   \
30         mfmsr   r12;                    \
31         ori     r0,r0,MSR_EE;           \
32         std     r12,PACASAVEDMSR(r13);  \
33         andc    r12,r12,r0;             \
34         mtmsrd  r12,1;                  \
35         LOAD_REG_ADDR(r0,.opal_return); \
36         mtlr    r0;                     \
37         li      r0,MSR_DR|MSR_IR;       \
38         andc    r12,r12,r0;             \
39         li      r0,token;               \
40         mtspr   SPRN_HSRR1,r12;         \
41         LOAD_REG_ADDR(r11,opal);        \
42         ld      r12,8(r11);             \
43         ld      r2,0(r11);              \
44         mtspr   SPRN_HSRR0,r12;         \
45         hrfid
47 _STATIC(opal_return)
48         ld      r2,PACATOC(r13);
49         ld      r4,8(r1);
50         ld      r5,16(r1);
51         ld      r6,PACASAVEDMSR(r13);
52         mtspr   SPRN_SRR0,r5;
53         mtspr   SPRN_SRR1,r6;
54         mtcr    r4;
55         rfid
57 OPAL_CALL(opal_console_write,                   OPAL_CONSOLE_WRITE);
58 OPAL_CALL(opal_console_read,                    OPAL_CONSOLE_READ);
59 OPAL_CALL(opal_console_write_buffer_space,      OPAL_CONSOLE_WRITE_BUFFER_SPACE);
60 OPAL_CALL(opal_rtc_read,                        OPAL_RTC_READ);
61 OPAL_CALL(opal_rtc_write,                       OPAL_RTC_WRITE);
62 OPAL_CALL(opal_cec_power_down,                  OPAL_CEC_POWER_DOWN);
63 OPAL_CALL(opal_cec_reboot,                      OPAL_CEC_REBOOT);
64 OPAL_CALL(opal_read_nvram,                      OPAL_READ_NVRAM);
65 OPAL_CALL(opal_write_nvram,                     OPAL_WRITE_NVRAM);
66 OPAL_CALL(opal_handle_interrupt,                OPAL_HANDLE_INTERRUPT);
67 OPAL_CALL(opal_poll_events,                     OPAL_POLL_EVENTS);
68 OPAL_CALL(opal_pci_set_hub_tce_memory,          OPAL_PCI_SET_HUB_TCE_MEMORY);
69 OPAL_CALL(opal_pci_set_phb_tce_memory,          OPAL_PCI_SET_PHB_TCE_MEMORY);
70 OPAL_CALL(opal_pci_config_read_byte,            OPAL_PCI_CONFIG_READ_BYTE);
71 OPAL_CALL(opal_pci_config_read_half_word,       OPAL_PCI_CONFIG_READ_HALF_WORD);
72 OPAL_CALL(opal_pci_config_read_word,            OPAL_PCI_CONFIG_READ_WORD);
73 OPAL_CALL(opal_pci_config_write_byte,           OPAL_PCI_CONFIG_WRITE_BYTE);
74 OPAL_CALL(opal_pci_config_write_half_word,      OPAL_PCI_CONFIG_WRITE_HALF_WORD);
75 OPAL_CALL(opal_pci_config_write_word,           OPAL_PCI_CONFIG_WRITE_WORD);
76 OPAL_CALL(opal_set_xive,                        OPAL_SET_XIVE);
77 OPAL_CALL(opal_get_xive,                        OPAL_GET_XIVE);
78 OPAL_CALL(opal_register_exception_handler,      OPAL_REGISTER_OPAL_EXCEPTION_HANDLER);
79 OPAL_CALL(opal_pci_eeh_freeze_status,           OPAL_PCI_EEH_FREEZE_STATUS);
80 OPAL_CALL(opal_pci_eeh_freeze_clear,            OPAL_PCI_EEH_FREEZE_CLEAR);
81 OPAL_CALL(opal_pci_shpc,                        OPAL_PCI_SHPC);
82 OPAL_CALL(opal_pci_phb_mmio_enable,             OPAL_PCI_PHB_MMIO_ENABLE);
83 OPAL_CALL(opal_pci_set_phb_mem_window,          OPAL_PCI_SET_PHB_MEM_WINDOW);
84 OPAL_CALL(opal_pci_map_pe_mmio_window,          OPAL_PCI_MAP_PE_MMIO_WINDOW);
85 OPAL_CALL(opal_pci_set_phb_table_memory,        OPAL_PCI_SET_PHB_TABLE_MEMORY);
86 OPAL_CALL(opal_pci_set_pe,                      OPAL_PCI_SET_PE);
87 OPAL_CALL(opal_pci_set_peltv,                   OPAL_PCI_SET_PELTV);
88 OPAL_CALL(opal_pci_set_mve,                     OPAL_PCI_SET_MVE);
89 OPAL_CALL(opal_pci_set_mve_enable,              OPAL_PCI_SET_MVE_ENABLE);
90 OPAL_CALL(opal_pci_get_xive_reissue,            OPAL_PCI_GET_XIVE_REISSUE);
91 OPAL_CALL(opal_pci_set_xive_reissue,            OPAL_PCI_SET_XIVE_REISSUE);
92 OPAL_CALL(opal_pci_set_xive_pe,                 OPAL_PCI_SET_XIVE_PE);
93 OPAL_CALL(opal_get_xive_source,                 OPAL_GET_XIVE_SOURCE);
94 OPAL_CALL(opal_get_msi_32,                      OPAL_GET_MSI_32);
95 OPAL_CALL(opal_get_msi_64,                      OPAL_GET_MSI_64);
96 OPAL_CALL(opal_start_cpu,                       OPAL_START_CPU);
97 OPAL_CALL(opal_query_cpu_status,                OPAL_QUERY_CPU_STATUS);
98 OPAL_CALL(opal_write_oppanel,                   OPAL_WRITE_OPPANEL);
99 OPAL_CALL(opal_pci_map_pe_dma_window,           OPAL_PCI_MAP_PE_DMA_WINDOW);
100 OPAL_CALL(opal_pci_map_pe_dma_window_real,      OPAL_PCI_MAP_PE_DMA_WINDOW_REAL);
101 OPAL_CALL(opal_pci_reset,                       OPAL_PCI_RESET);
102 OPAL_CALL(opal_pci_get_hub_diag_data,           OPAL_PCI_GET_HUB_DIAG_DATA);
103 OPAL_CALL(opal_pci_get_phb_diag_data,           OPAL_PCI_GET_PHB_DIAG_DATA);
104 OPAL_CALL(opal_pci_fence_phb,                   OPAL_PCI_FENCE_PHB);
105 OPAL_CALL(opal_pci_reinit,                      OPAL_PCI_REINIT);
106 OPAL_CALL(opal_pci_mask_pe_error,               OPAL_PCI_MASK_PE_ERROR);
107 OPAL_CALL(opal_set_slot_led_status,             OPAL_SET_SLOT_LED_STATUS);
108 OPAL_CALL(opal_get_epow_status,                 OPAL_GET_EPOW_STATUS);
109 OPAL_CALL(opal_set_system_attention_led,        OPAL_SET_SYSTEM_ATTENTION_LED);