root/sys/arch/sparc64/sparc64/hvcall.S
/*      $OpenBSD: hvcall.S,v 1.13 2024/04/08 20:00:27 miod Exp $        */

/*
 * Copyright (c) 2008 Mark Kettenis
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "assym.h"
#include <machine/asm.h>

#define FAST_TRAP       0x80
#define MMU_MAP_ADDR    0x83
#define MMU_UNMAP_ADDR  0x84
#define CORE_TRAP       0xff

#define MACH_EXIT               0x00
#define MACH_DESC               0x01
#define MACH_SIR                0x02
#define MACH_SET_WATCHDOG       0x05

#define CPU_START               0x10
#define CPU_STOP                0x11
#define CPU_YIELD               0x12
#define CPU_QCONF               0x14
#define CPU_QINFO               0x15
#define CPU_MYID                0x16
#define CPU_STATE               0x17
#define CPU_SET_RTBA            0x18
#define CPU_GET_RTBA            0x19

#define MMU_TSB_CTX0            0x20
#define MMU_TSB_CTXNON0         0x21
#define MMU_DEMAP_PAGE          0x22
#define MMU_DEMAP_CTX           0x23
#define MMU_DEMAP_ALL           0x24
#define MMU_MAP_PERM_ADDR       0x25
#define MMU_FAULT_AREA_CONF     0x26
#define MMU_ENABLE              0x27
#define MMU_UNMAP_PERM_ADDR     0x28
#define MMU_TSB_CTX0_INFO       0x29
#define MMU_TSB_CTXNON0_INFO    0x2a
#define MMU_FAULT_AREA_INFO     0x2b

#define MEM_SCRUB               0x30
#define MEM_SYNC                0x31

#define CPU_MONDO_SEND          0x42

#define TOD_GET                 0x50
#define TOD_SET                 0x51

#define CONS_GETCHAR            0x60
#define CONS_PUTCHAR            0x61

#define SOFT_STATE_SET          0x70
#define SOFT_STATE_GET          0x71

#define INTR_DEVINO2SYSINO      0xa0
#define INTR_GETENABLED         0xa1
#define INTR_SETENABLED         0xa2
#define INTR_GETSTATE           0xa3
#define INTR_SETSTATE           0xa4
#define INTR_GETTARGET          0xa5
#define INTR_SETTARGET          0xa6

#define VINTR_GETCOOKIE         0xa7
#define VINTR_SETCOOKIE         0xa8
#define VINTR_GETENABLED        0xa9
#define VINTR_SETENABLED        0xaa
#define VINTR_GETSTATE          0xab
#define VINTR_SETSTATE          0xac
#define VINTR_GETTARGET         0xad
#define VINTR_SETTARGET         0xae

#define PCI_IOMMU_MAP           0xb0
#define PCI_IOMMU_DEMAP         0xb1
#define PCI_IOMMU_GETMAP        0xb2
#define PCI_IOMMU_GETBYPASS     0xb3
#define PCI_CONFIG_GET          0xb4
#define PCI_CONFIG_PUT          0xb5

#define PCI_MSIQ_CONF           0xc0
#define PCI_MSIQ_INFO           0xc1
#define PCI_MSIQ_GETVALID       0xc2
#define PCI_MSIQ_SETVALID       0xc3
#define PCI_MSIQ_GETSTATE       0xc4
#define PCI_MSIQ_SETSTATE       0xc5
#define PCI_MSIQ_GETHEAD        0xc6
#define PCI_MSIQ_SETHEAD        0xc7
#define PCI_MSIQ_GETTAIL        0xc8
#define PCI_MSI_GETVALID        0xc9
#define PCI_MSI_SETVALID        0xca
#define PCI_MSI_GETMSIQ         0xcb
#define PCI_MSI_SETMSIQ         0xcc
#define PCI_MSI_GETSTATE        0xcd
#define PCI_MSI_SETSTATE        0xce
#define PCI_MSG_GETMSIQ         0xd0
#define PCI_MSG_SETMSIQ         0xd1
#define PCI_MSG_GETSTATE        0xd2
#define PCI_MSG_SETSTATE        0xd3

#define LDC_TX_QCONF            0xe0
#define LDC_TX_QINFO            0xe1
#define LDC_TX_GET_STATE        0xe2
#define LDC_TX_SET_QTAIL        0xe3
#define LDC_RX_QCONF            0xe4
#define LDC_RX_QINFO            0xe5
#define LDC_RX_GET_STATE        0xe6
#define LDC_RX_SET_QHEAD        0xe7

#define LDC_SET_MAP_TABLE       0xea
#define LDC_GET_MAP_TABLE       0xeb
#define LDC_COPY                0xec

#define LDC_MAPIN               0xed
#define LDC_UNMAP               0xee
#define LDC_REVOKE              0xef

#define PCI_IOV_ROOT_CONFIGURED 0xf8
#define PCI_REAL_CONFIG_GET     0xf9
#define PCI_REAL_CONFIG_PUT     0xfa
#define PCI_ERROR_SEND          0xff

#define RNG_GET_DIAG_CONTROL    0x130
#define RNG_CTL_READ            0x131
#define RNG_CTL_WRITE           0x132
#define RNG_DATA_READ_DIAG      0x133
#define RNG_DATA_READ           0x134

#define MACH_PRI                0x170

#define API_SET_VERSION         0x00
#define API_PUTCHAR             0x01
#define API_EXIT                0x02
#define API_GET_VERSION         0x03


ENTRY(hv_api_putchar)
        mov     API_PUTCHAR, %o5
        ta      CORE_TRAP
        retl
         nop

ENTRY(hv_api_get_version)
        mov     %o2, %o4
        mov     %o1, %o3
        mov     API_GET_VERSION, %o5
        ta      CORE_TRAP
        stx     %o1, [%o3]
        retl
         stx    %o2, [%o4]

ENTRY(hv_mach_desc)
        mov     %o1, %o2
        ldx     [%o2], %o1
        mov     MACH_DESC, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_mach_pri)
        mov     %o1, %o2
        ldx     [%o2], %o1
        mov     MACH_PRI, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_cpu_yield)
        mov     CPU_YIELD, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_cpu_qconf)
        mov     CPU_QCONF, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_cpu_mondo_send)
        mov     CPU_MONDO_SEND, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_cpu_myid)
        mov     %o0, %o2
        mov     CPU_MYID, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_mmu_tsb_ctx0)
        mov     MMU_TSB_CTX0, %o5
        ta      FAST_TRAP
        retl    
         nop

ENTRY(hv_mmu_tsb_ctxnon0)
        mov     MMU_TSB_CTXNON0, %o5
        ta      FAST_TRAP
        retl    
         nop

ENTRY(hv_mmu_demap_page)
        mov     %o2, %o4
        mov     %o1, %o3
        mov     %o0, %o2
        clr     %o1
        clr     %o0
        mov     MMU_DEMAP_PAGE, %o5
        ta      FAST_TRAP
        retl    
         nop

ENTRY(hv_mmu_demap_ctx)
        mov     %o1, %o3
        mov     %o0, %o2
        clr     %o1
        clr     %o0
        mov     MMU_DEMAP_CTX, %o5
        ta      FAST_TRAP
        retl    
         nop

ENTRY(hv_mmu_map_perm_addr)
        mov     %o2, %o3
        mov     %o1, %o2
        clr     %o1
        mov     MMU_MAP_PERM_ADDR, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_mmu_unmap_perm_addr)
        mov     %o1, %o2
        clr     %o1
        mov     MMU_UNMAP_PERM_ADDR, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_mmu_map_addr)
        ta      MMU_MAP_ADDR
        retl
         nop

ENTRY(hv_mmu_unmap_addr)
        ta      MMU_UNMAP_ADDR
        retl
         nop

ENTRY(hv_mem_scrub)
        mov     MEM_SCRUB, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_mem_sync)
        mov     MEM_SYNC, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_tod_get)
        mov     %o0, %o2
        mov     TOD_GET, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_tod_set)
        mov     TOD_SET, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_cons_getchar)
        mov     %o0, %o2
        mov     CONS_GETCHAR, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_cons_putchar)
        mov     CONS_PUTCHAR, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_soft_state_set)
        mov     SOFT_STATE_SET, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_intr_devino_to_sysino)
        mov     INTR_DEVINO2SYSINO, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_intr_getenabled)
        mov     %o1, %o2
        mov     INTR_GETENABLED, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_intr_setenabled)
        mov     INTR_SETENABLED, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_intr_getstate)
        mov     %o1, %o2
        mov     INTR_GETSTATE, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_intr_setstate)
        mov     INTR_SETSTATE, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_intr_gettarget)
        mov     %o1, %o2
        mov     INTR_GETTARGET, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_intr_settarget)
        mov     INTR_SETTARGET, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_vintr_getcookie)
        mov     VINTR_GETCOOKIE, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_vintr_setcookie)
        mov     VINTR_SETCOOKIE, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_vintr_getenabled)
        mov     VINTR_GETENABLED, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_vintr_setenabled)
        mov     VINTR_SETENABLED, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_vintr_getstate)
        mov     VINTR_GETSTATE, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_vintr_setstate)
        mov     VINTR_SETSTATE, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_vintr_gettarget)
        mov     VINTR_GETTARGET, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_vintr_settarget)
        mov     VINTR_SETTARGET, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_pci_iommu_map)
        mov     %o5, %g5
        mov     PCI_IOMMU_MAP, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%g5]

ENTRY(hv_pci_iommu_demap)
        mov     PCI_IOMMU_DEMAP, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o3]

ENTRY(hv_pci_iommu_getmap)
        mov     %o2, %o4
        mov     PCI_IOMMU_GETMAP, %o5
        ta      FAST_TRAP
        stx     %o1, [%o4]
        retl
         stx    %o2, [%o3]

ENTRY(hv_pci_iommu_getbypass)
        mov     PCI_IOMMU_GETBYPASS, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o3]

ENTRY(hv_pci_config_get)
        mov     %o5, %g5
        mov     PCI_CONFIG_GET, %o5
        ta      FAST_TRAP
        stx     %o1, [%o4]
        retl
         stx    %o2, [%g5]

ENTRY(hv_pci_config_put)
        mov     %o5, %g5
        mov     PCI_CONFIG_PUT, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%g5]

ENTRY(hv_pci_msiq_conf)
        mov     PCI_MSIQ_CONF, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_pci_msiq_info)
        mov     %o2, %o4
        mov     PCI_MSIQ_INFO, %o5
        ta      FAST_TRAP
        stx     %o1, [%o4]
        retl
         stx    %o2, [%o3]

ENTRY(hv_pci_msiq_getvalid)
        mov     PCI_MSIQ_GETVALID, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_pci_msiq_setvalid)
        mov     PCI_MSIQ_SETVALID, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_pci_msiq_getstate)
        mov     PCI_MSIQ_GETSTATE, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_pci_msiq_setstate)
        mov     PCI_MSIQ_SETSTATE, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_pci_msiq_gethead)
        mov     PCI_MSIQ_GETHEAD, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_pci_msiq_sethead)
        mov     PCI_MSIQ_SETHEAD, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_pci_msiq_gettail)
        mov     PCI_MSIQ_GETTAIL, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_pci_msi_getvalid)
        mov     PCI_MSI_GETVALID, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_pci_msi_setvalid)
        mov     PCI_MSI_SETVALID, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_pci_msi_getmsiq)
        mov     PCI_MSI_GETMSIQ, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_pci_msi_setmsiq)
        mov     PCI_MSI_SETMSIQ, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_pci_msi_getstate)
        mov     PCI_MSI_GETSTATE, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_pci_msi_setstate)
        mov     PCI_MSI_SETSTATE, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_pci_msg_getmsiq)
        mov     PCI_MSG_GETMSIQ, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_pci_msg_setmsiq)
        mov     PCI_MSG_SETMSIQ, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_pci_msg_getstate)
        mov     PCI_MSG_GETSTATE, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_pci_msg_setstate)
        mov     PCI_MSG_SETSTATE, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_ldc_tx_qconf)
        mov     LDC_TX_QCONF, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_ldc_tx_qinfo)
        mov     %o2, %o4
        mov     %o1, %o3
        mov     LDC_TX_QINFO, %o5
        ta      FAST_TRAP
        stx     %o1, [%o3]
        retl
         stx    %o2, [%o4]

ENTRY(hv_ldc_tx_get_state)
        mov     %o3, %g5
        mov     %o2, %g4
        mov     %o1, %o4
        mov     LDC_TX_GET_STATE, %o5
        ta      FAST_TRAP
        stx     %o1, [%o4]
        stx     %o2, [%g4]
        retl
         stx    %o3, [%g5]

ENTRY(hv_ldc_tx_set_qtail)
        mov     LDC_TX_SET_QTAIL, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_ldc_rx_qconf)
        mov     LDC_RX_QCONF, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_ldc_rx_qinfo)
        mov     %o2, %o4
        mov     %o1, %o3
        mov     LDC_RX_QINFO, %o5
        ta      FAST_TRAP
        stx     %o1, [%o3]
        retl
         stx    %o2, [%o4]

ENTRY(hv_ldc_rx_get_state)
        mov     %o3, %g5
        mov     %o2, %g4
        mov     %o1, %o4
        mov     LDC_RX_GET_STATE, %o5
        ta      FAST_TRAP
        stx     %o1, [%o4]
        stx     %o2, [%g4]
        retl
         stx    %o3, [%g5]

ENTRY(hv_ldc_rx_set_qhead)
        mov     LDC_RX_SET_QHEAD, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_ldc_set_map_table)
        mov     LDC_SET_MAP_TABLE, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_ldc_get_map_table)
        mov     %o2, %o4
        mov     %o1, %o3
        mov     LDC_GET_MAP_TABLE, %o5
        ta      FAST_TRAP
        stx     %o1, [%o3]
        retl
         stx    %o2, [%o4]

ENTRY(hv_ldc_copy)
        mov     %o5, %g5
        mov     LDC_COPY, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%g5]

ENTRY(hv_ldc_mapin)
        mov     %o2, %o4
        mov     LDC_MAPIN, %o5
        ta      FAST_TRAP
        stx     %o1, [%o4]
        retl
         stx    %o2, [%o3]

ENTRY(hv_ldc_unmap)
        mov     %o1, %o2
        mov     LDC_UNMAP, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_pci_iov_root_configured)
        mov     PCI_IOV_ROOT_CONFIGURED, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_pci_real_config_get)
        mov     %o5, %g5
        mov     PCI_REAL_CONFIG_GET, %o5
        ta      FAST_TRAP
        stx     %o1, [%o4]
        retl
         stx    %o2, [%g5]

ENTRY(hv_pci_real_config_put)
        mov     %o5, %g5
        mov     PCI_REAL_CONFIG_PUT, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%g5]

ENTRY(hv_pci_error_send)
        mov     PCI_ERROR_SEND, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_rng_get_diag_control)
        mov     RNG_GET_DIAG_CONTROL, %o5
        ta      FAST_TRAP
        retl
         nop

ENTRY(hv_rng_ctl_read)
        mov     %o2, %o4
        mov     %o1, %o3
        mov     RNG_CTL_READ, %o5
        ta      FAST_TRAP
        stx     %o1, [%o3]
        retl
         stx    %o2, [%o4]

ENTRY(hv_rng_ctl_write)
        mov     RNG_CTL_WRITE, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o3]

ENTRY(hv_rng_data_read_diag)
        mov     RNG_DATA_READ_DIAG, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]

ENTRY(hv_rng_data_read)
        mov     %o1, %o2
        mov     RNG_DATA_READ, %o5
        ta      FAST_TRAP
        retl
         stx    %o1, [%o2]