diff options
| author | Michael Sevakis <jethead71@rockbox.org> | 2007-08-01 20:59:27 +0000 |
|---|---|---|
| committer | Michael Sevakis <jethead71@rockbox.org> | 2007-08-01 20:59:27 +0000 |
| commit | 4aaded5c767d8c4d3073716d59608eb146acb03c (patch) | |
| tree | 079d00e0a20bbbaa693cf37427d1bfd24cdd2e70 /firmware/target/arm | |
| parent | e1c52e7fbe95dff284f9007ac279d27b51f61dd0 (diff) | |
| download | rockbox-4aaded5c767d8c4d3073716d59608eb146acb03c.tar.gz rockbox-4aaded5c767d8c4d3073716d59608eb146acb03c.zip | |
PP50xx: COP was left in undefined mode after init. Switch it to supervisor mode before entering cop_main.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14124 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm')
| -rw-r--r-- | firmware/target/arm/crt0-pp.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/firmware/target/arm/crt0-pp.S b/firmware/target/arm/crt0-pp.S index b2e09fd690..85dd7f8b24 100644 --- a/firmware/target/arm/crt0-pp.S +++ b/firmware/target/arm/crt0-pp.S | |||
| @@ -202,6 +202,7 @@ cpu_init: | |||
| 202 | ldr sp, =irq_stack | 202 | ldr sp, =irq_stack |
| 203 | msr cpsr_c, #0xdb /* IRQ/FIQ disabled */ | 203 | msr cpsr_c, #0xdb /* IRQ/FIQ disabled */ |
| 204 | ldr sp, =irq_stack | 204 | ldr sp, =irq_stack |
| 205 | |||
| 205 | /* Switch to supervisor mode */ | 206 | /* Switch to supervisor mode */ |
| 206 | msr cpsr_c, #0xd3 | 207 | msr cpsr_c, #0xd3 |
| 207 | ldr sp, =stackend | 208 | ldr sp, =stackend |
| @@ -246,6 +247,8 @@ cop_init: | |||
| 246 | msr cpsr_c, #0xdb /* IRQ/FIQ disabled */ | 247 | msr cpsr_c, #0xdb /* IRQ/FIQ disabled */ |
| 247 | ldr sp, =cop_irq_stack | 248 | ldr sp, =cop_irq_stack |
| 248 | 249 | ||
| 250 | /* Switch to supervisor mode */ | ||
| 251 | msr cpsr_c, #0xd3 | ||
| 249 | ldr sp, =cop_stackend | 252 | ldr sp, =cop_stackend |
| 250 | 253 | ||
| 251 | /* Run cop_main() in apps/main.c */ | 254 | /* Run cop_main() in apps/main.c */ |