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2006-02-07 Paul Brook <paul@codesourcery.com>

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* arm/crt0.S: Add Thumb-2 startup code.
        * arm/redboot-crt0.S: Ditto.
        * arm/libcfunc.c (do_AngelSWI): Use AngelSWIInsn.
        * arm/swi.h (AngelSWIInsn, AngelSWIAsm): Define.
        * arm/trap.S: Disable for Thumb-2.
This commit is contained in:
Jeff Johnston
2006-02-07 18:46:23 +00:00
parent 9bbe6d5d28
commit f9fa511d46
7 changed files with 65 additions and 19 deletions
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8
libgloss/arm/swi.h
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@@ -33,6 +33,14 @@
#else
#define AngelSWI AngelSWI_ARM
#endif
/* For Thumb-2 code use the BKPT instruction instead of SWI. */
#ifdef __thumb2__
#define AngelSWIInsn "bkpt"
#define AngelSWIAsm bkpt
#else
#define AngelSWIInsn "swi"
#define AngelSWIAsm swi
#endif
/* The reason codes: */
#define AngelSWI_Reason_Open 0x01