21 lines
540 B
ArmAsm
21 lines
540 B
ArmAsm
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/* Preliminary Header: Author: Mario Huettel */
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.syntax unified
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.cpu cortex-m4
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.thumb
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.type HardFault_PreHandler, %function
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.global HardFault_PreHandler
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.type HardFault_PreHandler, %function
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HardFault_PreHandler:
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TST LR, #4 // Test bit 2. If active => PSP was used, else MSP
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ITE EQ
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MRSEQ R0, MSP // Bit not set => MSP as argument
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MRSNE R0, PSP // Bit set => PSP
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LDR R1, =HardFault_Handler
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BX R1
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//.weak HardFault_Handler
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//.thumb_set HardFault_Handler, HardFault_Handler_Default
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//HardFault_Handler_Default:
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//B HardFault_Handler_Default
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