hpm_interrupt.h File Reference

#include "hpm_common.h"
#include "hpm_csr_drv.h"
#include "hpm_plic_drv.h"

Go to the source code of this file.

Macros
#define	M_MODE   0
#define	S_MODE   1
#define	PLICSWI   1
#define	intc_m_enable_irq(irq)    intc_enable_irq(HPM_PLIC_TARGET_M_MODE, irq)
#define	intc_m_disable_irq(irq)    intc_disable_irq(HPM_PLIC_TARGET_M_MODE, irq)
#define	intc_m_set_threshold(threshold)    intc_set_threshold(HPM_PLIC_TARGET_M_MODE, threshold)
#define	intc_m_get_threshold()    intc_get_threshold(HPM_PLIC_TARGET_M_MODE)
#define	intc_m_complete_irq(irq)    intc_complete_irq(HPM_PLIC_TARGET_M_MODE, irq)
#define	intc_m_claim_irq()   intc_claim_irq(HPM_PLIC_TARGET_M_MODE)
#define	intc_m_enable_irq_with_priority(irq, priority)
#define	SAVE_CSR(r)   register long __##r = read_csr(r);
#define	RESTORE_CSR(r)   write_csr(r, __##r);
#define	SAVE_MXSTATUS()
#define	RESTORE_MXSTATUS()
#define	SAVE_FCSR()
#define	RESTORE_FCSR()
#define	SAVE_UCODE()
#define	RESTORE_UCODE()
#define	CONTEXT_REG_NUM   HPM_ALIGN_UP((4 * 22), 16)
#define	SAVE_FPU_CONTEXT()
#define	RESTORE_FPU_CONTEXT()
#define	SAVE_CALLER_CONTEXT()
	Save the caller registers based on the RISC-V ABI specification. More...
#define	RESTORE_CALLER_CONTEXT()
	Restore the caller registers based on the RISC-V ABI specification. More...
#define	SAVE_FPU_STATE()
#define	RESTORE_FPU_STATE()
#define	SAVE_DSP_CONTEXT()
#define	RESTORE_DSP_CONTEXT()
#define	SAVE_MCCTL_CONTEXT()
#define	RESTORE_MCCTL_CONTEXT()
#define	ENTER_NESTED_IRQ_HANDLING_M()
#define	COMPLETE_IRQ_HANDLING_M(irq_num)
#define	EXIT_NESTED_IRQ_HANDLING_M()
#define	NESTED_IRQ_ENTER()
#define	NESTED_IRQ_EXIT()
#define	HPM_EXTERN_C
#define	ISR_NAME_M(irq_num)   default_isr_##irq_num
#define	SDK_DECLARE_EXT_ISR_M(irq_num, isr)
	Declare an external interrupt handler for machine mode. More...
#define	SDK_DECLARE_MCHTMR_ISR(isr)
	Declare machine timer interrupt handler. More...
#define	SDK_DECLARE_SWI_ISR(isr)
	Declare machine software interrupt handler. More...

Functions
static ATTR_ALWAYS_INLINE void	enable_global_irq (uint32_t mask)
	Enable global IRQ with mask. More...
static ATTR_ALWAYS_INLINE uint32_t	disable_global_irq (uint32_t mask)
	Disable global IRQ with mask and return mstatus. More...
static ATTR_ALWAYS_INLINE void	restore_global_irq (uint32_t mask)
	Restore global IRQ with mask. More...
static ATTR_ALWAYS_INLINE void	enable_irq_from_intc (void)
	Enable IRQ from interrupt controller. More...
static ATTR_ALWAYS_INLINE void	disable_irq_from_intc (void)
	Disable IRQ from interrupt controller. More...
static ATTR_ALWAYS_INLINE void	enable_mchtmr_irq (void)
	Enable machine timer IRQ. More...
static ATTR_ALWAYS_INLINE void	disable_mchtmr_irq (void)
	Disable machine timer IRQ. More...
static ATTR_ALWAYS_INLINE void	intc_m_init_swi (void)
	Initialize software interrupt. More...
static ATTR_ALWAYS_INLINE void	intc_m_enable_swi (void)
	Enable software interrupt. More...
static ATTR_ALWAYS_INLINE void	intc_m_disable_swi (void)
	Disable software interrupt. More...
static ATTR_ALWAYS_INLINE void	intc_m_trigger_swi (void)
	Trigger software interrupt. More...
static ATTR_ALWAYS_INLINE void	intc_m_claim_swi (void)
	Claim software interrupt. More...
static ATTR_ALWAYS_INLINE void	intc_m_complete_swi (void)
	Complete software interrupt. More...
static ATTR_ALWAYS_INLINE void	intc_enable_irq (uint32_t target, uint32_t irq)
static ATTR_ALWAYS_INLINE void	intc_set_irq_priority (uint32_t irq, uint32_t priority)
	Set interrupt priority. More...
static ATTR_ALWAYS_INLINE void	intc_disable_irq (uint32_t target, uint32_t irq)
	Disable specific interrupt. More...
static ATTR_ALWAYS_INLINE void	intc_set_threshold (uint32_t target, uint32_t threshold)
	Set interrupt threshold. More...
static ATTR_ALWAYS_INLINE uint32_t	intc_get_threshold (uint32_t target)
	Get interrupt threshold. More...
static ATTR_ALWAYS_INLINE uint32_t	intc_claim_irq (uint32_t target)
	Claim IRQ. More...
static ATTR_ALWAYS_INLINE void	intc_complete_irq (uint32_t target, uint32_t irq)
	Complete IRQ. More...
void	default_irq_entry (void)
static ATTR_ALWAYS_INLINE void	install_isr (uint32_t irq, uint32_t isr)
	Install ISR for certain IRQ for ram based vector table. More...
static ATTR_ALWAYS_INLINE void	uninstall_isr (uint32_t irq)
	Uninstall ISR for certain IRQ for ram based vector table. More...

Function Documentation

disable_global_irq()

static ATTR_ALWAYS_INLINE uint32_t disable_global_irq ( uint32_t  mask )

inlinestatic

Disable global IRQ with mask and return mstatus.

Parameters

[in]

mask

interrupt mask to be disabled

Return values

current

mstatus value before irq mask is disabled

disable_irq_from_intc()

static ATTR_ALWAYS_INLINE void disable_irq_from_intc ( void  )

inlinestatic

Disable IRQ from interrupt controller.

disable_mchtmr_irq()

static ATTR_ALWAYS_INLINE void disable_mchtmr_irq ( void  )

inlinestatic

Disable machine timer IRQ.

enable_global_irq()

static ATTR_ALWAYS_INLINE void enable_global_irq ( uint32_t  mask )

inlinestatic

Enable global IRQ with mask.

Parameters

[in]

mask

interrupt mask to be enabaled

enable_irq_from_intc()

static ATTR_ALWAYS_INLINE void enable_irq_from_intc ( void  )

inlinestatic

Enable IRQ from interrupt controller.

enable_mchtmr_irq()

static ATTR_ALWAYS_INLINE void enable_mchtmr_irq ( void  )

inlinestatic

Enable machine timer IRQ.

install_isr()

static ATTR_ALWAYS_INLINE void install_isr ( uint32_t  irq, uint32_t  isr  )

inlinestatic

Install ISR for certain IRQ for ram based vector table.

Parameters

[in]	irq	Target interrupt number
[in]	isr	Interrupt service routine

intc_claim_irq()

static ATTR_ALWAYS_INLINE uint32_t intc_claim_irq ( uint32_t  target )

inlinestatic

Claim IRQ.

Parameters

[in]

target

Target to handle specific interrupt

intc_complete_irq()

static ATTR_ALWAYS_INLINE void intc_complete_irq ( uint32_t  target, uint32_t  irq  )

inlinestatic

Complete IRQ.

Parameters

[in]	target	Target to handle specific interrupt
[in]	irq	Specific IRQ to be completed

intc_disable_irq()

static ATTR_ALWAYS_INLINE void intc_disable_irq ( uint32_t  target, uint32_t  irq  )

inlinestatic

Disable specific interrupt.

Parameters

[in]	target	Target to handle specific interrupt
[in]	irq	Interrupt number

intc_enable_irq()

static ATTR_ALWAYS_INLINE void intc_enable_irq ( uint32_t  target, uint32_t  irq  )

inlinestatic

intc_get_threshold()

static ATTR_ALWAYS_INLINE uint32_t intc_get_threshold ( uint32_t  target )

inlinestatic

Get interrupt threshold.

Parameters

[in]

target

Target to handle specific interrupt

intc_m_claim_swi()

static ATTR_ALWAYS_INLINE void intc_m_claim_swi ( void  )

inlinestatic

Claim software interrupt.

intc_m_complete_swi()

static ATTR_ALWAYS_INLINE void intc_m_complete_swi ( void  )

inlinestatic

Complete software interrupt.

intc_m_disable_swi()

static ATTR_ALWAYS_INLINE void intc_m_disable_swi ( void  )

inlinestatic

Disable software interrupt.

intc_m_enable_swi()

static ATTR_ALWAYS_INLINE void intc_m_enable_swi ( void  )

inlinestatic

Enable software interrupt.

intc_m_init_swi()

static ATTR_ALWAYS_INLINE void intc_m_init_swi ( void  )

inlinestatic

Initialize software interrupt.

intc_m_trigger_swi()

static ATTR_ALWAYS_INLINE void intc_m_trigger_swi ( void  )

inlinestatic

Trigger software interrupt.

intc_set_irq_priority()

static ATTR_ALWAYS_INLINE void intc_set_irq_priority ( uint32_t  irq, uint32_t  priority  )

inlinestatic

Set interrupt priority.

Parameters

[in]	irq	Interrupt number
[in]	priority	Priority of interrupt

intc_set_threshold()

static ATTR_ALWAYS_INLINE void intc_set_threshold ( uint32_t  target, uint32_t  threshold  )

inlinestatic

Set interrupt threshold.

Parameters

[in]	target	Target to handle specific interrupt
[in]	threshold	Threshold of IRQ can be serviced

restore_global_irq()

static ATTR_ALWAYS_INLINE void restore_global_irq ( uint32_t  mask )

inlinestatic

Restore global IRQ with mask.

Parameters

[in]

mask

interrupt mask to be restored

uninstall_isr()

static ATTR_ALWAYS_INLINE void uninstall_isr ( uint32_t  irq )

inlinestatic

Uninstall ISR for certain IRQ for ram based vector table.

Parameters

[in]

irq

Target interrupt number