diff options
| 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 | |
| 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')
| -rw-r--r-- | c/src/lib/libbsp/arm/csb336/ChangeLog | 5 | ||||
| -rw-r--r-- | c/src/lib/libbsp/arm/csb336/start/start.S | 7 | ||||
| -rw-r--r-- | c/src/lib/libbsp/arm/csb336/startup/linkcmds | 7 |
3 files changed, 18 insertions, 1 deletions
diff --git a/c/src/lib/libbsp/arm/csb336/ChangeLog b/c/src/lib/libbsp/arm/csb336/ChangeLog index 724401dcae..e4e1eba35f 100644 --- a/c/src/lib/libbsp/arm/csb336/ChangeLog +++ b/c/src/lib/libbsp/arm/csb336/ChangeLog @@ -1,3 +1,8 @@ +2006-06-02 Jay Monkman <jtm@lopingdog.com> + + * start/start.S, startup/linkcmds: Defined UNDEF exception + stack space. + 2006-01-11 Ralf Corsepius <ralf.corsepius@rtems.org> * Makefile.am: Add preinstall.am. 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 diff --git a/c/src/lib/libbsp/arm/csb336/startup/linkcmds b/c/src/lib/libbsp/arm/csb336/startup/linkcmds index 5c50ffa30b..c71a8c7cdf 100644 --- a/c/src/lib/libbsp/arm/csb336/startup/linkcmds +++ b/c/src/lib/libbsp/arm/csb336/startup/linkcmds @@ -33,7 +33,8 @@ _sdram_size = DEFINED(_sdram_size) ? _sdram_size : 30M; _irq_stack_size = DEFINED(_irq_stack_size) ? _irq_stack_size : 0x1000; _fiq_stack_size = DEFINED(_fiq_stack_size) ? _fiq_stack_size : 0x400; -_abt_stack_size = DEFINED(_abt_stack_size) ? _abt_stack_size : 0x100; +_abt_stack_size = DEFINED(_abt_stack_size) ? _abt_stack_size : 0x400; +_undef_stack_size = DEFINED(_undef_stack_size) ? _undef_stack_size : 0x400; _svc_stack_size = DEFINED(_svc_stack_size) ? _svc_stack_size : 0x1000; @@ -170,6 +171,10 @@ SECTIONS . += _abt_stack_size; . = ALIGN (256); + _undef_stack = .; + . += _undef_stack_size; + + . = ALIGN (256); _irq_stack = .; . += _irq_stack_size; |