diff options
Diffstat (limited to 'c/src/lib/libcpu/powerpc/ppc403/irq/ictrl.c')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/ppc403/irq/ictrl.c | 122 |
1 files changed, 61 insertions, 61 deletions
diff --git a/c/src/lib/libcpu/powerpc/ppc403/irq/ictrl.c b/c/src/lib/libcpu/powerpc/ppc403/irq/ictrl.c index 22580a7d06..86558485e4 100644 --- a/c/src/lib/libcpu/powerpc/ppc403/irq/ictrl.c +++ b/c/src/lib/libcpu/powerpc/ppc403/irq/ictrl.c @@ -18,7 +18,7 @@ * IMD makes no representations about the suitability * of this software for any purpose. * - * Modifications for PPC405GP by Dennis Ehlin + * Modifications for PPC405GP by Dennis Ehlin * */ @@ -31,101 +31,101 @@ /* * ISR vector table to dispatch external interrupts */ - + rtems_isr_entry ictrl_vector_table[PPC_IRQ_EXT_MAX]; -/* +/* * * some utilities to access the EXI* registers * */ -/* - * clear bits in EXISR that have a bit set in mask +/* + * clear bits in EXISR that have a bit set in mask */ #if defined(ppc405) -RTEMS_INLINE_ROUTINE void -clr_exisr(uint32_t mask) +RTEMS_INLINE_ROUTINE void +clr_exisr(uint32_t mask) { asm volatile ("mtdcr 0xC0,%0"::"r" (mask));/*EXISR*/ -} +} -/* - * get value of EXISR +/* + * get value of EXISR */ -RTEMS_INLINE_ROUTINE uint32_t -get_exisr(void) +RTEMS_INLINE_ROUTINE uint32_t +get_exisr(void) { uint32_t val; asm volatile ("mfdcr %0,0xC0":"=r" (val));/*EXISR*/ - return val; -} + return val; +} -/* - * get value of EXIER +/* + * get value of EXIER */ -RTEMS_INLINE_ROUTINE uint32_t -get_exier(void) +RTEMS_INLINE_ROUTINE uint32_t +get_exier(void) { uint32_t val; asm volatile ("mfdcr %0,0xC2":"=r" (val));/*EXIER*/ - return val; -} + return val; +} -/* - * set value of EXIER +/* + * set value of EXIER */ -RTEMS_INLINE_ROUTINE void -set_exier(uint32_t val) +RTEMS_INLINE_ROUTINE void +set_exier(uint32_t val) { asm volatile ("mtdcr 0xC2,%0"::"r" (val));/*EXIER*/ -} +} #else /* not ppc405 */ -RTEMS_INLINE_ROUTINE void -clr_exisr(uint32_t mask) +RTEMS_INLINE_ROUTINE void +clr_exisr(uint32_t mask) { asm volatile ("mtdcr 0x40,%0"::"r" (mask));/*EXISR*/ -} +} -/* - * get value of EXISR +/* + * get value of EXISR */ -RTEMS_INLINE_ROUTINE uint32_t -get_exisr(void) +RTEMS_INLINE_ROUTINE uint32_t +get_exisr(void) { uint32_t val; asm volatile ("mfdcr %0,0x40":"=r" (val));/*EXISR*/ - return val; -} + return val; +} -/* - * get value of EXIER +/* + * get value of EXIER */ -RTEMS_INLINE_ROUTINE uint32_t -get_exier(void) +RTEMS_INLINE_ROUTINE uint32_t +get_exier(void) { uint32_t val; asm volatile ("mfdcr %0,0x42":"=r" (val));/*EXIER*/ - return val; -} + return val; +} -/* - * set value of EXIER +/* + * set value of EXIER */ -RTEMS_INLINE_ROUTINE void -set_exier(uint32_t val) +RTEMS_INLINE_ROUTINE void +set_exier(uint32_t val) { asm volatile ("mtdcr 0x42,%0"::"r" (val));/*EXIER*/ -} +} #endif /* ppc405 */ -/* +/* * enable an external interrupt, make this interrupt consistent */ -RTEMS_INLINE_ROUTINE void +RTEMS_INLINE_ROUTINE void enable_ext_irq( uint32_t mask) { rtems_interrupt_level level; @@ -135,10 +135,10 @@ enable_ext_irq( uint32_t mask) rtems_interrupt_enable(level); } -/* +/* * disable an external interrupt, make this interrupt consistent */ -RTEMS_INLINE_ROUTINE void +RTEMS_INLINE_ROUTINE void disable_ext_irq( uint32_t mask) { rtems_interrupt_level level; @@ -150,19 +150,19 @@ disable_ext_irq( uint32_t mask) /* * - * this function is called, when a external interrupt is present and + * this function is called, when a external interrupt is present and * enabled but there is no handler installed. It will clear * the corresponding enable bits and call the spurious handler * present in the CPU Configuration Table, if any. * */ -void -ictrl_spurious_handler(uint32_t spurious_mask, +void +ictrl_spurious_handler(uint32_t spurious_mask, CPU_Interrupt_frame *cpu_frame) { int v; extern void (*bsp_spurious_handler)(uint32_t vector, CPU_Interrupt_frame *); - + for (v=0; v < PPC_IRQ_EXT_MAX; v++) { if (VEC_TO_EXMSK(v) & spurious_mask) { clr_exisr(VEC_TO_EXMSK(v)); @@ -182,7 +182,7 @@ ictrl_spurious_handler(uint32_t spurious_mask, /* * ISR Handler: this is called from the primary exception dispatcher */ - + void ictrl_isr(rtems_vector_number vector,CPU_Interrupt_frame *cpu_frame) { @@ -221,9 +221,9 @@ ictrl_isr(rtems_vector_number vector,CPU_Interrupt_frame *cpu_frame) /* * - * install a user vector for one of the external interrupt sources + * install a user vector for one of the external interrupt sources * - */ + */ rtems_status_code ictrl_set_vector(rtems_isr_entry new_handler, uint32_t vector, @@ -261,7 +261,7 @@ ictrl_set_vector(rtems_isr_entry new_handler, /* * Called via atexit() - * deactivate the interrupt controller + * deactivate the interrupt controller */ void @@ -270,14 +270,14 @@ ictrl_exit(void) /* mark them all unused */ disable_ext_irq(~0); clr_exisr(~0); - + } /* - * activate the interrupt controller + * activate the interrupt controller */ -rtems_status_code +rtems_status_code ictrl_init(void) { proc_ptr dummy; @@ -285,7 +285,7 @@ ictrl_init(void) /* mark them all unused */ disable_ext_irq(~0); clr_exisr(~0); - + /* install the external interrupt handler */ _CPU_ISR_install_vector(PPC_IRQ_EXTERNAL, ictrl_isr, |