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28 lines
511 B
ArmAsm
28 lines
511 B
ArmAsm
/* https://cirosantilli.com/linux-kernel-module-cheat#arm-bitwise-instructions */
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#include <lkmc.h>
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LKMC_PROLOGUE
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/* 0x00 & 0xFF == 0x00 */
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mov r0, 0x00
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and r0, 0xFF
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LKMC_ASSERT_EQ(r0, =0x00)
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/* 0x0F & 0xF0 == 0x00 */
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mov r0, 0x0F
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and r0, 0xF0
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LKMC_ASSERT_EQ(r0, =0x00)
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/* 0x0F & 0xFF == 0x0F */
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mov r0, 0x0F
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and r0, 0xFF
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LKMC_ASSERT_EQ(r0, =0x0F)
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/* 0xF0 & 0xFF == 0xF0 */
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mov r0, 0xF0
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and r0, 0xFF
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LKMC_ASSERT_EQ(r0, =0xF0)
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LKMC_EPILOGUE
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