diff options
| author | [email protected] <[email protected]> | 2010-09-05 23:43:35 +0000 |
|---|---|---|
| committer | [email protected] <[email protected]> | 2010-09-05 23:43:35 +0000 |
| commit | 1b84c89a560c20171b83971f6cda6cd896fcd71c (patch) | |
| tree | 08061e3c172ecb5f27f54a07e704a6ea5ed9489c /libcpu | |
| parent | 8c8530ff6e156fa3d40f0bddfe7bad2b43a662cc (diff) | |
update jz47xx branch code.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@894 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'libcpu')
| -rw-r--r-- | libcpu/mips/jz47xx/jz47xx.h | 2 | ||||
| -rw-r--r-- | libcpu/mips/jz47xx/stack.c | 3 | ||||
| -rw-r--r-- | libcpu/mips/jz47xx/start_gcc.S | 2 |
3 files changed, 4 insertions, 3 deletions
diff --git a/libcpu/mips/jz47xx/jz47xx.h b/libcpu/mips/jz47xx/jz47xx.h index 8f60d33d2c..a0e7e08322 100644 --- a/libcpu/mips/jz47xx/jz47xx.h +++ b/libcpu/mips/jz47xx/jz47xx.h @@ -91,6 +91,6 @@ #define IRQ_GPIO0 28
#define IRQ_LCD 30
-#define SYSTEM_STACK 0x8000ffe8 /* the kernel system stack address */
+#define SYSTEM_STACK 0x80003fe8 /* the kernel system stack address */
#endif
diff --git a/libcpu/mips/jz47xx/stack.c b/libcpu/mips/jz47xx/stack.c index c1576072b1..947408354d 100644 --- a/libcpu/mips/jz47xx/stack.c +++ b/libcpu/mips/jz47xx/stack.c @@ -53,7 +53,8 @@ rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter, rt_uint8_t *stack_ad *(--stk) = (rt_uint32_t) 0xffff; /* c0_badvaddr */
*(--stk) = (rt_uint32_t) cp0_get_lo(); /* lo */
*(--stk) = (rt_uint32_t) cp0_get_hi(); /* hi */
- *(--stk) = (rt_uint32_t) g_sr; /* C0_SR: HW2 = En, IE = En */
+ // *(--stk) = (rt_uint32_t) g_sr; /* C0_SR: HW2 = En, IE = En */
+ *(--stk) = (rt_uint32_t) 0xFC01; /* C0_SR: HW2 = En, IE = En */
*(--stk) = (rt_uint32_t) texit; /* ra */
*(--stk) = (rt_uint32_t) 0x0000001e; /* s8 */
*(--stk) = (rt_uint32_t) stack_addr; /* sp */
diff --git a/libcpu/mips/jz47xx/start_gcc.S b/libcpu/mips/jz47xx/start_gcc.S index 97bedb6c7f..d496b54e92 100644 --- a/libcpu/mips/jz47xx/start_gcc.S +++ b/libcpu/mips/jz47xx/start_gcc.S @@ -20,7 +20,7 @@ _start: la ra, _start
/* init cp0 registers. */
- li t0, 0x0040FC00
+ li t0, 0x0000FC00 /* BEV = 0 and mask all interrupt */
mtc0 t0, CP0_STATUS
li t1, 0x00800000
|