git subrepo clone --branch=develop https://github.com/m4xw/emuMMC emummc

subrepo:
  subdir:   "emummc"
  merged:   "e72e8f1c"
upstream:
  origin:   "https://github.com/m4xw/emuMMC"
  branch:   "develop"
  commit:   "e72e8f1c"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"

emummc/source/nx/svc.s

@@ -0,0 +1,64 @@
+/**
+ * @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
+	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