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Atmosphere/emummc/source/nx/svc.s
2020-04-14 11:15:19 -07:00

73 lines
No EOL
1 KiB
ArmAsm

/**
* @file svc.s
* @copyright libnx Authors
*/
.macro SVC_BEGIN name
.section .text.\name, "ax", %progbits
.global \name
.type \name, %function
.align 2
.cfi_startproc
\name:
.endm
.macro SVC_END
.cfi_endproc
.endm
SVC_BEGIN svcQueryIoMapping
STP X0, X1, [SP, #-16]!
SVC 0x55
LDP X3, X4, [SP], #16
STR X1, [X3]
STR X2, [X4]
RET
SVC_END
SVC_BEGIN svcLegacyQueryIoMapping
STR X0, [SP, #-16]!
SVC 0x55
LDR X2, [SP], #16
STR X1, [X2]
RET
SVC_END
SVC_BEGIN svcAttachDeviceAddressSpace
SVC 0x57
RET
SVC_END
SVC_BEGIN svcQueryMemory
STR X1, [SP, #-16]!
SVC 0x6
LDR X2, [SP], #16
STR W1, [X2]
RET
SVC_END
SVC_BEGIN svcSetMemoryPermission
SVC 0x2
RET
SVC_END
SVC_BEGIN svcSetProcessMemoryPermission
SVC 0x73
RET
SVC_END
SVC_BEGIN svcCallSecureMonitor
STR X0, [SP, #-16]!
MOV X8, X0
LDP X0, X1, [X8]
LDP X2, X3, [X8, #0x10]
LDP X4, X5, [X8, #0x20]
LDP X6, X7, [X8, #0x30]
SVC 0x7F
LDR X8, [SP], #16
STP X0, X1, [X8]
STP X2, X3, [X8, #0x10]
STP X4, X5, [X8, #0x20]
STP X6, X7, [X8, #0x30]
RET
SVC_END