105 lines
2.9 KiB
NASM
105 lines
2.9 KiB
NASM
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Microsoft Research Singularity
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;;;
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;;; Copyright (c) Microsoft Corporation. All rights reserved.
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;;;
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;;; This file contains ARM-specific assembly code for the kernel debugger.
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;;;
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|defining ?g_Break@Class_Microsoft_Singularity_DebugStub@@SAXXZ| EQU 1
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include hal.inc
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TEXTAREA
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; KD Support.
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;;;
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;;;
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;;; "public: static void Class_Microsoft_Singularity_DebugStub::g_Break(void)"
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;;;
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LEAF_ENTRY ?g_Break@Class_Microsoft_Singularity_DebugStub@@SAXXZ
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; bkpt 0xffff
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swi 0xffff03
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bx lr
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LEAF_END
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;;;
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;;; "void KdpPause(void)"
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;;;
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LEAF_ENTRY ?KdpPause@@YAXXZ
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DCD 0xe320f002 ;; WFE Note: ARMv7 Specific.
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bx lr
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LEAF_END
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;;;
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;;; "bool KdpDisableInterruptsInline(void)"
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;;;
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LEAF_ENTRY ?KdpDisableInterruptsInline@@YA_NXZ
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mrs r1, cpsr
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;; remember previous bit for later
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and r0, r1, #Struct_Microsoft_Singularity_Isal_Arm_Psr_DisableIrq
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orr r1, r1, #Struct_Microsoft_Singularity_Isal_Arm_Psr_DisableIrq
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msr cpsr_c, r1
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;; include a nop so the linker doesn't merge with Target.DisableInterrupts.
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nop
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;; if bit is 1, we return false, so negate the bit with an xor
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eors r0, r0, #Struct_Microsoft_Singularity_Isal_Arm_Psr_DisableIrq
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;; normalize true value
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movne r0, #1
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bx lr
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LEAF_END
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;;;
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;;; "void KdpEnableInterruptsInline(void)"
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;;;
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LEAF_ENTRY ?KdpEnableInterruptsInline@@SAXXZ
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mrs r0, cpsr
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bic r0, r0, #Struct_Microsoft_Singularity_Isal_Arm_Psr_DisableIrq
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msr cpsr_c, r0
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bx lr
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LEAF_END
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;;;
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;;; "void KdpRestoreInterruptsInline(bool)"
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;;;
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LEAF_ENTRY ?KdpRestoreInterruptsInline@@YAX_N@Z
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cmp r0, #0
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bne |?KdpEnableInterruptsInline@@SAXXZ|
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bx lr
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LEAF_END
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;;;
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;;; "void KdNotifyTrap(KdDebugTrapData *)"
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;;;
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LEAF_ENTRY ?KdNotifyTrap@@YAXPAUKdDebugTrapData@@@Z
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swi 0xffff2e
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bx lr
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LEAF_END
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;;;
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;;; "void KdNotifyException(System_Exception *, unsigned int throwAddr)"
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;;;
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LEAF_ENTRY ?KdNotifyException@@YAXPAUClass_System_Exception@@I@Z
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;; FIXME!!!
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swi 0xffff03
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bx lr
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LEAF_END
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;;;
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;;; "void KdpArmSetControlReport(Struct_Microsoft_Singularity_Kd_ArmKdControlReport *)"
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;;;
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LEAF_ENTRY ?KdpArmSetControlReport@@YAXPAUStruct_Microsoft_Singularity_Kd_ArmKdControlReport@@@Z
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;; No support needed yet.
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bx lr
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LEAF_END
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END
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