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arm: Switch to ARM only for Thumb-1

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The Thumb-2 instruction set as encodings for the relevant instructions.
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Sebastian Huber
2013-05-03 16:14:45 +02:00
parent 57c05b54a3
commit 2bbea4dd33
1 changed files with 1 additions and 1 deletions
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cpukit/score/cpu/arm/rtems/score/cpu.h
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@@ -43,7 +43,7 @@
*/
/**@{**/
#ifdef __thumb__
#if defined(__thumb__) && !defined(__thumb2__)
#define ARM_SWITCH_REGISTERS uint32_t arm_switch_reg
#define ARM_SWITCH_TO_ARM ".align 2\nbx pc\n.arm\n"
#define ARM_SWITCH_BACK "add %[arm_switch_reg], pc, #1\nbx %[arm_switch_reg]\n.thumb\n"