mirror of
https://github.com/RT-Thread/rt-thread.git
synced 2026-03-27 01:10:20 +08:00
[libcpu] auto formatted
This commit is contained in:
Meco Man
@@ -45,51 +45,51 @@ rt_uint32_t __attribute__((nomips16)) _get_gp(void)
|
||||
*/
|
||||
rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter, rt_uint8_t *stack_addr, void *texit)
|
||||
{
|
||||
rt_uint32_t *stk;
|
||||
rt_uint32_t *stk;
|
||||
|
||||
/** Start at stack top */
|
||||
stk = (rt_uint32_t *)stack_addr;
|
||||
*(stk) = (rt_uint32_t) tentry; /* pc: Entry Point */
|
||||
*(--stk) = (rt_uint32_t) 0x00800000; /* c0_cause: IV=1, */
|
||||
*(--stk) = (rt_uint32_t) 0; /* c0_badvaddr */
|
||||
*(--stk) = (rt_uint32_t) 0; /* lo */
|
||||
*(--stk) = (rt_uint32_t) 0; /* hi */
|
||||
*(--stk) = (rt_uint32_t) 1; /* C0_SR: IE = En, */
|
||||
*(--stk) = (rt_uint32_t) texit; /* 31 ra */
|
||||
*(--stk) = (rt_uint32_t) 0x0000001e; /* 30 s8 */
|
||||
*(--stk) = (rt_uint32_t) stack_addr; /* 29 sp */
|
||||
*(--stk) = (rt_uint32_t) _get_gp(); /* 28 gp */
|
||||
*(--stk) = (rt_uint32_t) 0x0000001b; /* 27 k1 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000001a; /* 26 k0 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000019; /* 25 t9 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000018; /* 24 t8 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000017; /* 23 s7 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000016; /* 22 s6 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000015; /* 21 s5 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000014; /* 20 s4 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000013; /* 19 s3 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000012; /* 18 s2 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000011; /* 17 s1 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000010; /* 16 s0 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000000f; /* 15 t7 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000000e; /* 14 t6 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000000d; /* 13 t5 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000000c; /* 12 t4 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000000b; /* 11 t3 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000000a; /* 10 t2 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000009; /* 9 t1 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000008; /* 8 t0 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000007; /* 7 a3 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000006; /* 6 a2 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000005; /* 5 a1 */
|
||||
*(--stk) = (rt_uint32_t) parameter; /* 4 a0 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000003; /* 3 v1 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000002; /* 2 v0 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000001; /* 1 at */
|
||||
*(--stk) = (rt_uint32_t) 0x00000000; /* 0 zero */
|
||||
*(stk) = (rt_uint32_t) tentry; /* pc: Entry Point */
|
||||
*(--stk) = (rt_uint32_t) 0x00800000; /* c0_cause: IV=1, */
|
||||
*(--stk) = (rt_uint32_t) 0; /* c0_badvaddr */
|
||||
*(--stk) = (rt_uint32_t) 0; /* lo */
|
||||
*(--stk) = (rt_uint32_t) 0; /* hi */
|
||||
*(--stk) = (rt_uint32_t) 1; /* C0_SR: IE = En, */
|
||||
*(--stk) = (rt_uint32_t) texit; /* 31 ra */
|
||||
*(--stk) = (rt_uint32_t) 0x0000001e; /* 30 s8 */
|
||||
*(--stk) = (rt_uint32_t) stack_addr; /* 29 sp */
|
||||
*(--stk) = (rt_uint32_t) _get_gp(); /* 28 gp */
|
||||
*(--stk) = (rt_uint32_t) 0x0000001b; /* 27 k1 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000001a; /* 26 k0 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000019; /* 25 t9 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000018; /* 24 t8 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000017; /* 23 s7 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000016; /* 22 s6 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000015; /* 21 s5 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000014; /* 20 s4 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000013; /* 19 s3 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000012; /* 18 s2 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000011; /* 17 s1 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000010; /* 16 s0 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000000f; /* 15 t7 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000000e; /* 14 t6 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000000d; /* 13 t5 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000000c; /* 12 t4 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000000b; /* 11 t3 */
|
||||
*(--stk) = (rt_uint32_t) 0x0000000a; /* 10 t2 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000009; /* 9 t1 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000008; /* 8 t0 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000007; /* 7 a3 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000006; /* 6 a2 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000005; /* 5 a1 */
|
||||
*(--stk) = (rt_uint32_t) parameter; /* 4 a0 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000003; /* 3 v1 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000002; /* 2 v0 */
|
||||
*(--stk) = (rt_uint32_t) 0x00000001; /* 1 at */
|
||||
*(--stk) = (rt_uint32_t) 0x00000000; /* 0 zero */
|
||||
|
||||
/* return task's current stack address */
|
||||
return (rt_uint8_t *)stk;
|
||||
/* return task's current stack address */
|
||||
return (rt_uint8_t *)stk;
|
||||
}
|
||||
|
||||
|
||||
|
||||
@@ -11,13 +11,13 @@
|
||||
* Complier: MPLAB C32
|
||||
* MPLAB IDE
|
||||
* Company: Microchip Technology, Inc.
|
||||
* Author: Darren Wenn
|
||||
* Author: Darren Wenn
|
||||
*
|
||||
* Software License Agreement
|
||||
*
|
||||
* The software supplied herewith by Microchip Technology Incorporated
|
||||
* (the “Company”) for its PIC32/PIC24 Microcontroller is intended
|
||||
* and supplied to you, the Company’s customer, for use solely and
|
||||
* (the “Company”) for its PIC32/PIC24 Microcontroller is intended
|
||||
* and supplied to you, the Company’s customer, for use solely and
|
||||
* exclusively on Microchip PIC32/PIC24 Microcontroller products.
|
||||
* The software is owned by the Company and/or its supplier, and is
|
||||
* protected under applicable copyright laws. All rights are reserved.
|
||||
@@ -26,7 +26,7 @@
|
||||
* civil liability for the breach of the terms and conditions of this
|
||||
* license.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES,
|
||||
* THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES,
|
||||
* WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED
|
||||
* TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
||||
* PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT,
|
||||
@@ -42,20 +42,20 @@
|
||||
// declared static in case exception condition would prevent
|
||||
// auto variable being created
|
||||
static enum {
|
||||
EXCEP_IRQ = 0, // interrupt
|
||||
EXCEP_AdEL = 4, // address error exception (load or ifetch)
|
||||
EXCEP_AdES, // address error exception (store)
|
||||
EXCEP_IBE, // bus error (ifetch)
|
||||
EXCEP_DBE, // bus error (load/store)
|
||||
EXCEP_Sys, // syscall
|
||||
EXCEP_Bp, // breakpoint
|
||||
EXCEP_RI, // reserved instruction
|
||||
EXCEP_CpU, // coprocessor unusable
|
||||
EXCEP_Overflow, // arithmetic overflow
|
||||
EXCEP_Trap, // trap (possible divide by zero)
|
||||
EXCEP_IS1 = 16, // implementation specfic 1
|
||||
EXCEP_CEU, // CorExtend Unuseable
|
||||
EXCEP_C2E // coprocessor 2
|
||||
EXCEP_IRQ = 0, // interrupt
|
||||
EXCEP_AdEL = 4, // address error exception (load or ifetch)
|
||||
EXCEP_AdES, // address error exception (store)
|
||||
EXCEP_IBE, // bus error (ifetch)
|
||||
EXCEP_DBE, // bus error (load/store)
|
||||
EXCEP_Sys, // syscall
|
||||
EXCEP_Bp, // breakpoint
|
||||
EXCEP_RI, // reserved instruction
|
||||
EXCEP_CpU, // coprocessor unusable
|
||||
EXCEP_Overflow, // arithmetic overflow
|
||||
EXCEP_Trap, // trap (possible divide by zero)
|
||||
EXCEP_IS1 = 16, // implementation specfic 1
|
||||
EXCEP_CEU, // CorExtend Unuseable
|
||||
EXCEP_C2E // coprocessor 2
|
||||
} _excep_code;
|
||||
|
||||
static unsigned int _epc_code;
|
||||
@@ -65,34 +65,34 @@ static unsigned int _excep_addr;
|
||||
// this function overrides the normal _weak_ generic handler
|
||||
void _general_exception_handler(void)
|
||||
{
|
||||
asm volatile("mfc0 %0,$13" : "=r" (_excep_code));
|
||||
asm volatile("mfc0 %0,$14" : "=r" (_excep_addr));
|
||||
asm volatile("mfc0 %0,$13" : "=r" (_excep_code));
|
||||
asm volatile("mfc0 %0,$14" : "=r" (_excep_addr));
|
||||
|
||||
_excep_code = (_excep_code & 0x0000007C) >> 2;
|
||||
_excep_code = (_excep_code & 0x0000007C) >> 2;
|
||||
|
||||
rt_kprintf("\r\n_excep_code : %08X\r\n",_excep_code);
|
||||
rt_kprintf("_excep_addr : %08X\r\n",_excep_addr);
|
||||
switch(_excep_code)
|
||||
{
|
||||
case EXCEP_IRQ:rt_kprintf("interrupt\r\n");break;
|
||||
case EXCEP_AdEL:rt_kprintf("address error exception (load or ifetch)\r\n");break;
|
||||
case EXCEP_AdES:rt_kprintf("address error exception (store)\r\n");break;
|
||||
case EXCEP_IBE:rt_kprintf("bus error (ifetch)\r\n");break;
|
||||
case EXCEP_DBE:rt_kprintf("bus error (load/store)\r\n");break;
|
||||
case EXCEP_Sys:rt_kprintf("syscall\r\n");break;
|
||||
case EXCEP_Bp:rt_kprintf("breakpoint\r\n");break;
|
||||
case EXCEP_RI:rt_kprintf("reserved instruction\r\n");break;
|
||||
case EXCEP_CpU:rt_kprintf("coprocessor unusable\r\n");break;
|
||||
case EXCEP_Overflow:rt_kprintf("arithmetic overflow\r\n");break;
|
||||
case EXCEP_Trap:rt_kprintf("trap (possible divide by zero)\r\n");break;
|
||||
case EXCEP_IS1:rt_kprintf("implementation specfic 1\r\n");break;
|
||||
case EXCEP_CEU:rt_kprintf("CorExtend Unuseable\r\n");break;
|
||||
case EXCEP_C2E:rt_kprintf("coprocessor 2\r\n");break;
|
||||
default : rt_kprintf("unkown exception\r\n");break;
|
||||
}
|
||||
rt_kprintf("\r\n_excep_code : %08X\r\n",_excep_code);
|
||||
rt_kprintf("_excep_addr : %08X\r\n",_excep_addr);
|
||||
switch(_excep_code)
|
||||
{
|
||||
case EXCEP_IRQ:rt_kprintf("interrupt\r\n");break;
|
||||
case EXCEP_AdEL:rt_kprintf("address error exception (load or ifetch)\r\n");break;
|
||||
case EXCEP_AdES:rt_kprintf("address error exception (store)\r\n");break;
|
||||
case EXCEP_IBE:rt_kprintf("bus error (ifetch)\r\n");break;
|
||||
case EXCEP_DBE:rt_kprintf("bus error (load/store)\r\n");break;
|
||||
case EXCEP_Sys:rt_kprintf("syscall\r\n");break;
|
||||
case EXCEP_Bp:rt_kprintf("breakpoint\r\n");break;
|
||||
case EXCEP_RI:rt_kprintf("reserved instruction\r\n");break;
|
||||
case EXCEP_CpU:rt_kprintf("coprocessor unusable\r\n");break;
|
||||
case EXCEP_Overflow:rt_kprintf("arithmetic overflow\r\n");break;
|
||||
case EXCEP_Trap:rt_kprintf("trap (possible divide by zero)\r\n");break;
|
||||
case EXCEP_IS1:rt_kprintf("implementation specfic 1\r\n");break;
|
||||
case EXCEP_CEU:rt_kprintf("CorExtend Unuseable\r\n");break;
|
||||
case EXCEP_C2E:rt_kprintf("coprocessor 2\r\n");break;
|
||||
default : rt_kprintf("unkown exception\r\n");break;
|
||||
}
|
||||
|
||||
while (1) {
|
||||
// Examine _excep_code to identify the type of exception
|
||||
// Examine _excep_addr to find the address that caused the exception
|
||||
}
|
||||
while (1) {
|
||||
// Examine _excep_code to identify the type of exception
|
||||
// Examine _excep_addr to find the address that caused the exception
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user