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https://github.com/cirosantilli/linux-kernel-module-cheat.git
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ba2976cc7f
baremetal: fix aarch64/no_bootloader/semihost_exit.S which was wrong because was using unset sp for register block. Tests needed urgently!!
22 lines
444 B
ArmAsm
22 lines
444 B
ArmAsm
.global main
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main:
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/* 0x20026 == ADP_Stopped_ApplicationExit */
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mov x1, 0x26
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movk x1, 2, lsl 16
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str x1, [sp, 0]
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/* Exit status code. Host QEMU process exits with that status. */
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mov x0, 0
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str x0, [sp, 8]
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/* x1 contains the address of parameter block.
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* Any memory address could be used.
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*/
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mov x1, sp
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/* SYS_EXIT */
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mov w0, 0x18
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/* Do the semihosting call on A64. */
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hlt 0xf000
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