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| author | Jay Monkman <jtm@smoothsmoothie.com> | 2006-06-02 21:53:04 +0000 |
|---|---|---|
| committer | Jay Monkman <jtm@smoothsmoothie.com> | 2006-06-02 21:53:04 +0000 |
| commit | 0eede05d70e90502fe77a5af4989579801870e34 (patch) | |
| tree | 6cc73d8c5cf5ff64a395c64f48655c996c505750 /c/src/lib/libbsp/arm/csb336/start | |
| parent | 2006-06-02 Jay Monkman <jtm@lopingdog.com> (diff) | |
| download | rtems-0eede05d70e90502fe77a5af4989579801870e34.tar.bz2 | |
2006-06-02 Jay Monkman <jtm@lopingdog.com>
* start/start.S, startup/linkcmds: Defined UNDEF exception
stack space.
Diffstat (limited to 'c/src/lib/libbsp/arm/csb336/start')
| -rw-r--r-- | c/src/lib/libbsp/arm/csb336/start/start.S | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/csb336/start/start.S b/c/src/lib/libbsp/arm/csb336/start/start.S index 1dc6f3d205..f162258edd 100644 --- a/c/src/lib/libbsp/arm/csb336/start/start.S +++ b/c/src/lib/libbsp/arm/csb336/start/start.S @@ -72,6 +72,13 @@ _bss_init: ldr sp, =_abt_stack add sp, sp, r1 + /* Enter UNDEF mode and set up the UNDEF stack pointer */ + mov r0, #(PSR_MODE_UNDEF | PSR_I | PSR_F) /* No interrupts */ + msr cpsr, r0 + ldr r1, =_undef_stack_size + ldr sp, =_undef_stack + add sp, sp, r1 + /* Set up the SVC stack pointer last and stay in SVC mode */ mov r0, #(PSR_MODE_SVC | PSR_I | PSR_F) /* No interrupts */ msr cpsr, r0 |