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Ayke van Laethem
b884db81ea
This is the more correct location. The targets/cortex-m.s file is really just for qemu, not for Cortex-M in general.
31 lines
947 B
ArmAsm
31 lines
947 B
ArmAsm
.syntax unified
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.section .text.HardFault_Handler
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.global HardFault_Handler
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.type HardFault_Handler, %function
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HardFault_Handler:
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// Put the old stack pointer in the first argument, for easy debugging. This
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// is especially useful on Cortex-M0, which supports far fewer debug
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// facilities.
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mov r0, sp
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// Load the default stack pointer from address 0 so that we can call normal
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// functions again that expect a working stack. However, it will corrupt the
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// old stack so the function below must not attempt to recover from this
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// fault.
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movs r3, #0
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ldr r3, [r3]
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mov sp, r3
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// Continue handling this error in Go.
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bl handleHardFault
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// This is a convenience function for semihosting support.
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// At some point, this should be replaced by inline assembly.
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.section .text.SemihostingCall
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.global SemihostingCall
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.type SemihostingCall, %function
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SemihostingCall:
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bkpt 0xab
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bx lr
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