1
2
3
4
5
6
7
8
9
10
11
12#include <asm/ppc_asm.h>
13#include <asm/hvcall.h>
14#include <asm/asm-offsets.h>
15#include <asm/opal.h>
16
17
18
19
20
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
46
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
56
57OPAL_CALL(opal_console_write, OPAL_CONSOLE_WRITE);
58OPAL_CALL(opal_console_read, OPAL_CONSOLE_READ);
59OPAL_CALL(opal_console_write_buffer_space, OPAL_CONSOLE_WRITE_BUFFER_SPACE);
60OPAL_CALL(opal_rtc_read, OPAL_RTC_READ);
61OPAL_CALL(opal_rtc_write, OPAL_RTC_WRITE);
62OPAL_CALL(opal_cec_power_down, OPAL_CEC_POWER_DOWN);
63OPAL_CALL(opal_cec_reboot, OPAL_CEC_REBOOT);
64OPAL_CALL(opal_read_nvram, OPAL_READ_NVRAM);
65OPAL_CALL(opal_write_nvram, OPAL_WRITE_NVRAM);
66OPAL_CALL(opal_handle_interrupt, OPAL_HANDLE_INTERRUPT);
67OPAL_CALL(opal_poll_events, OPAL_POLL_EVENTS);
68OPAL_CALL(opal_pci_set_hub_tce_memory, OPAL_PCI_SET_HUB_TCE_MEMORY);
69OPAL_CALL(opal_pci_set_phb_tce_memory, OPAL_PCI_SET_PHB_TCE_MEMORY);
70OPAL_CALL(opal_pci_config_read_byte, OPAL_PCI_CONFIG_READ_BYTE);
71OPAL_CALL(opal_pci_config_read_half_word, OPAL_PCI_CONFIG_READ_HALF_WORD);
72OPAL_CALL(opal_pci_config_read_word, OPAL_PCI_CONFIG_READ_WORD);
73OPAL_CALL(opal_pci_config_write_byte, OPAL_PCI_CONFIG_WRITE_BYTE);
74OPAL_CALL(opal_pci_config_write_half_word, OPAL_PCI_CONFIG_WRITE_HALF_WORD);
75OPAL_CALL(opal_pci_config_write_word, OPAL_PCI_CONFIG_WRITE_WORD);
76OPAL_CALL(opal_set_xive, OPAL_SET_XIVE);
77OPAL_CALL(opal_get_xive, OPAL_GET_XIVE);
78OPAL_CALL(opal_register_exception_handler, OPAL_REGISTER_OPAL_EXCEPTION_HANDLER);
79OPAL_CALL(opal_pci_eeh_freeze_status, OPAL_PCI_EEH_FREEZE_STATUS);
80OPAL_CALL(opal_pci_eeh_freeze_clear, OPAL_PCI_EEH_FREEZE_CLEAR);
81OPAL_CALL(opal_pci_shpc, OPAL_PCI_SHPC);
82OPAL_CALL(opal_pci_phb_mmio_enable, OPAL_PCI_PHB_MMIO_ENABLE);
83OPAL_CALL(opal_pci_set_phb_mem_window, OPAL_PCI_SET_PHB_MEM_WINDOW);
84OPAL_CALL(opal_pci_map_pe_mmio_window, OPAL_PCI_MAP_PE_MMIO_WINDOW);
85OPAL_CALL(opal_pci_set_phb_table_memory, OPAL_PCI_SET_PHB_TABLE_MEMORY);
86OPAL_CALL(opal_pci_set_pe, OPAL_PCI_SET_PE);
87OPAL_CALL(opal_pci_set_peltv, OPAL_PCI_SET_PELTV);
88OPAL_CALL(opal_pci_set_mve, OPAL_PCI_SET_MVE);
89OPAL_CALL(opal_pci_set_mve_enable, OPAL_PCI_SET_MVE_ENABLE);
90OPAL_CALL(opal_pci_get_xive_reissue, OPAL_PCI_GET_XIVE_REISSUE);
91OPAL_CALL(opal_pci_set_xive_reissue, OPAL_PCI_SET_XIVE_REISSUE);
92OPAL_CALL(opal_pci_set_xive_pe, OPAL_PCI_SET_XIVE_PE);
93OPAL_CALL(opal_get_xive_source, OPAL_GET_XIVE_SOURCE);
94OPAL_CALL(opal_get_msi_32, OPAL_GET_MSI_32);
95OPAL_CALL(opal_get_msi_64, OPAL_GET_MSI_64);
96OPAL_CALL(opal_start_cpu, OPAL_START_CPU);
97OPAL_CALL(opal_query_cpu_status, OPAL_QUERY_CPU_STATUS);
98OPAL_CALL(opal_write_oppanel, OPAL_WRITE_OPPANEL);
99OPAL_CALL(opal_pci_map_pe_dma_window, OPAL_PCI_MAP_PE_DMA_WINDOW);
100OPAL_CALL(opal_pci_map_pe_dma_window_real, OPAL_PCI_MAP_PE_DMA_WINDOW_REAL);
101OPAL_CALL(opal_pci_reset, OPAL_PCI_RESET);
102OPAL_CALL(opal_pci_get_hub_diag_data, OPAL_PCI_GET_HUB_DIAG_DATA);
103OPAL_CALL(opal_pci_get_phb_diag_data, OPAL_PCI_GET_PHB_DIAG_DATA);
104OPAL_CALL(opal_pci_fence_phb, OPAL_PCI_FENCE_PHB);
105OPAL_CALL(opal_pci_reinit, OPAL_PCI_REINIT);
106OPAL_CALL(opal_pci_mask_pe_error, OPAL_PCI_MASK_PE_ERROR);
107OPAL_CALL(opal_set_slot_led_status, OPAL_SET_SLOT_LED_STATUS);
108OPAL_CALL(opal_get_epow_status, OPAL_GET_EPOW_STATUS);
109OPAL_CALL(opal_set_system_attention_led, OPAL_SET_SYSTEM_ATTENTION_LED);
110OPAL_CALL(opal_pci_next_error, OPAL_PCI_NEXT_ERROR);
111OPAL_CALL(opal_pci_poll, OPAL_PCI_POLL);
112OPAL_CALL(opal_pci_msi_eoi, OPAL_PCI_MSI_EOI);
113OPAL_CALL(opal_pci_get_phb_diag_data2, OPAL_PCI_GET_PHB_DIAG_DATA2);
114OPAL_CALL(opal_xscom_read, OPAL_XSCOM_READ);
115OPAL_CALL(opal_xscom_write, OPAL_XSCOM_WRITE);
116OPAL_CALL(opal_lpc_read, OPAL_LPC_READ);
117OPAL_CALL(opal_lpc_write, OPAL_LPC_WRITE);
118OPAL_CALL(opal_return_cpu, OPAL_RETURN_CPU);
119
