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

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	intc_s_enable_irq(irq) intc_enable_irq(HPM_PLIC_TARGET_S_MODE, irq)

#define	intc_s_disable_irq(irq) intc_disable_irq(HPM_PLIC_TARGET_S_MODE, irq)

#define	intc_set_s_threshold(threshold) intc_set_threshold(HPM_PLIC_TARGET_S_MODE, threshold)

#define	intc_s_complete_irq(irq) intc_complete_irq(HPM_PLIC_TARGET_S_MODE, irq)

#define	intc_s_claim_irq() intc_claim_irq(HPM_PLIC_TARGET_S_MODE)

#define	intc_s_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 (4 * (16 + 4))

#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	ENTER_NESTED_IRQ_HANDLING_M()

#define	COMPLETE_IRQ_HANDLING_M(irq_num)

#define	EXIT_NESTED_IRQ_HANDLING_M()

#define	ENTER_NESTED_IRQ_HANDLING_S()

#define	COMPLETE_IRQ_HANDLING_S(irq_num)

#define	EXIT_NESTED_IRQ_HANDLING_S()

#define	NESTED_IRQ_ENTER()

#define	NESTED_IRQ_EXIT()

#define	HPM_EXTERN_C

#define	ISR_NAME_M(irq_num) default_isr_##irq_num

#define	ISR_NAME_S(irq_num) default_isr_s_##irq_num

#define	SDK_DECLARE_EXT_ISR_M(irq_num, isr)
	Declare an external interrupt handler for machine mode. More...

#define	SDK_DECLARE_EXT_ISR_S(irq_num, isr)
	Declare an external interrupt handler for supervisor 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...

#define	SDK_DECLARE_MCHTMR_ISR_S(isr)
	Declare machine timer interrupt handler. More...

#define	SDK_DECLARE_SWI_ISR_S(isr)
	Declare machine software interrupt handler. More...

#define	CSR_MSTATUS_MPP_S_MODE (0x1)

#define	MODE_SWITCH_FROM_M(mstatus, mepc, label, mode)

Typedefs
typedef void(*	s_mode_entry) (void)

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	delegate_irq (uint32_t mask)
	Delegate IRQ handling. More...

static ATTR_ALWAYS_INLINE void	undelegate_irq (uint32_t mask)
	Undelegate IRQ handling. More...

static ATTR_ALWAYS_INLINE void	enable_s_global_irq (uint32_t mask)
	Enable global IRQ with mask for supervisor mode. More...

static ATTR_ALWAYS_INLINE uint32_t	disable_s_global_irq (uint32_t mask)
	Disable global IRQ with mask and return sstatus for supervisor mode. More...

static ATTR_ALWAYS_INLINE void	restore_s_global_irq (uint32_t mask)
	Restore global IRQ with mask for supervisor mode. More...

static ATTR_ALWAYS_INLINE void	disable_s_irq_from_intc (void)
	Disable IRQ from interrupt controller for supervisor mode. More...

static ATTR_ALWAYS_INLINE void	enable_s_irq_from_intc (void)
	Enable IRQ from interrupt controller for supervisor mode. More...

static ATTR_ALWAYS_INLINE void	enable_s_mchtmr_irq (void)
	Enable machine timer IRQ for supervisor mode. More...

static ATTR_ALWAYS_INLINE void	disable_s_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_s_enable_swi (void)
	Enable software interrupt for supervisor mode. More...

static ATTR_ALWAYS_INLINE void	intc_s_disable_swi (void)
	Disable software interrupt for supervisor mode. More...

static ATTR_ALWAYS_INLINE void	intc_s_trigger_swi (void)
	Trigger software interrupt for supervisor mode. More...

static ATTR_ALWAYS_INLINE void	intc_s_complete_swi (void)
	Complete software interrupt for supervisor mode. 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...

void	default_s_irq_entry (void)

static ATTR_ALWAYS_INLINE void	install_s_isr (uint32_t irq, uint32_t isr)
	Install ISR for certain IRQ for ram based vector table for supervisor mode. More...

static ATTR_ALWAYS_INLINE void	uninstall_s_isr (uint32_t irq)
	Uninstall ISR for certain IRQ for ram based vector table for supervisor mode. More...

static void	switch_to_s_mode (s_mode_entry entry)
	Switch mode to supervisor from machine. More...

Function Documentation

◆ delegate_irq()

static ATTR_ALWAYS_INLINE void delegate_irq ( uint32_t mask )

inlinestatic

Delegate IRQ handling.

Parameters

[in] mask interrupt mask to be delegated

◆ 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.

◆ disable_s_global_irq()

static ATTR_ALWAYS_INLINE uint32_t disable_s_global_irq ( uint32_t mask )

inlinestatic

Disable global IRQ with mask and return sstatus for supervisor mode.

Parameters

[in] mask interrupt mask to be disabled

Return values

current sstatus value before irq mask is disabled

◆ disable_s_irq_from_intc()

static ATTR_ALWAYS_INLINE void disable_s_irq_from_intc ( void )

inlinestatic

Disable IRQ from interrupt controller for supervisor mode.

◆ disable_s_mchtmr_irq()

static ATTR_ALWAYS_INLINE void disable_s_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.

◆ enable_s_global_irq()

static ATTR_ALWAYS_INLINE void enable_s_global_irq ( uint32_t mask )

inlinestatic

Enable global IRQ with mask for supervisor mode.

Parameters

[in] mask interrupt mask to be enabaled

◆ enable_s_irq_from_intc()

static ATTR_ALWAYS_INLINE void enable_s_irq_from_intc ( void )

inlinestatic

Enable IRQ from interrupt controller for supervisor mode.

◆ enable_s_mchtmr_irq()

static ATTR_ALWAYS_INLINE void enable_s_mchtmr_irq ( void )

inlinestatic

Enable machine timer IRQ for supervisor mode.

◆ 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

◆ install_s_isr()

static ATTR_ALWAYS_INLINE void install_s_isr	(	uint32_t	irq,
		uint32_t	isr
	)

inlinestatic

Install ISR for certain IRQ for ram based vector table for supervisor mode.

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_s_complete_swi()

static ATTR_ALWAYS_INLINE void intc_s_complete_swi ( void )

inlinestatic

Complete software interrupt for supervisor mode.

◆ intc_s_disable_swi()

static ATTR_ALWAYS_INLINE void intc_s_disable_swi ( void )

inlinestatic

Disable software interrupt for supervisor mode.

◆ intc_s_enable_swi()

static ATTR_ALWAYS_INLINE void intc_s_enable_swi ( void )

inlinestatic

Enable software interrupt for supervisor mode.

◆ intc_s_trigger_swi()

static ATTR_ALWAYS_INLINE void intc_s_trigger_swi ( void )

inlinestatic

Trigger software interrupt for supervisor mode.

◆ 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

◆ restore_s_global_irq()

static ATTR_ALWAYS_INLINE void restore_s_global_irq ( uint32_t mask )

inlinestatic

Restore global IRQ with mask for supervisor mode.

Parameters

[in] mask interrupt mask to be restored

◆ switch_to_s_mode()

static void switch_to_s_mode ( s_mode_entry entry )

inlinestatic

Switch mode to supervisor from machine.

Parameters

[in] entry - entry point after mode is switched

◆ undelegate_irq()

static ATTR_ALWAYS_INLINE void undelegate_irq ( uint32_t mask )

inlinestatic

Undelegate IRQ handling.

Parameters

[in] mask interrupt mask to be undelegated

◆ 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

◆ uninstall_s_isr()

static ATTR_ALWAYS_INLINE void uninstall_s_isr ( uint32_t irq )

inlinestatic

Uninstall ISR for certain IRQ for ram based vector table for supervisor mode.

Parameters

[in] irq Target interrupt number

Macros

Typedefs

Functions

Function Documentation

◆ delegate_irq()

◆ disable_global_irq()

◆ disable_irq_from_intc()

◆ disable_mchtmr_irq()

◆ disable_s_global_irq()

◆ disable_s_irq_from_intc()

◆ disable_s_mchtmr_irq()

◆ enable_global_irq()

◆ enable_irq_from_intc()

◆ enable_mchtmr_irq()

◆ enable_s_global_irq()

◆ enable_s_irq_from_intc()

◆ enable_s_mchtmr_irq()

◆ install_isr()

◆ install_s_isr()

◆ intc_claim_irq()

◆ intc_complete_irq()

◆ intc_disable_irq()

◆ intc_enable_irq()

◆ intc_get_threshold()

◆ intc_m_claim_swi()

◆ intc_m_complete_swi()

◆ intc_m_disable_swi()

◆ intc_m_enable_swi()

◆ intc_m_init_swi()

◆ intc_m_trigger_swi()

◆ intc_s_complete_swi()

◆ intc_s_disable_swi()

◆ intc_s_enable_swi()

◆ intc_s_trigger_swi()

◆ intc_set_irq_priority()

◆ intc_set_threshold()

◆ restore_global_irq()

◆ restore_s_global_irq()

◆ switch_to_s_mode()

◆ undelegate_irq()

◆ uninstall_isr()

◆ uninstall_s_isr()