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[hal]: cleaned up interrupt mask functions

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* Functions for setting and clearing interrupts
  as well as function to read interrupt mask
  should be clearer now.
* Using hal layer interrupt set and clear
  functions in esp_wifi component
This commit is contained in:
Jakob Hasse 2021-02-24 12:07:11 +08:00
parent f13b10a17b
commit b23c9142d5
11 changed files with 96 additions and 177 deletions
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39
components/esp_system/intr_alloc.c
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@ -456,7 +456,7 @@ esp_err_t esp_intr_alloc_intrstatus(int source, int flags, uint32_t intrstatusre
{
intr_handle_data_t *ret=NULL;
int force=-1;
ESP_EARLY_LOGV(TAG, "esp_intr_alloc_intrstatus (cpu %d): checking args", cpu_hal_get_core_id());
ESP_EARLY_LOGV(TAG, "esp_intr_alloc_intrstatus (cpu %u): checking args", cpu_hal_get_core_id());
//Shared interrupts should be level-triggered.
if ((flags&ESP_INTR_FLAG_SHARED) && (flags&ESP_INTR_FLAG_EDGE)) return ESP_ERR_INVALID_ARG;
//You can't set an handler / arg for a non-C-callable interrupt.
@ -481,7 +481,7 @@ esp_err_t esp_intr_alloc_intrstatus(int source, int flags, uint32_t intrstatusre
flags|=ESP_INTR_FLAG_LOWMED;
}
}
ESP_EARLY_LOGV(TAG, "esp_intr_alloc_intrstatus (cpu %d): Args okay. Resulting flags 0x%X", cpu_hal_get_core_id(), flags);
ESP_EARLY_LOGV(TAG, "esp_intr_alloc_intrstatus (cpu %u): Args okay. Resulting flags 0x%X", cpu_hal_get_core_id(), flags);
//Check 'special' interrupt sources. These are tied to one specific interrupt, so we
//have to force get_free_int to only look at that.
@ -497,7 +497,7 @@ esp_err_t esp_intr_alloc_intrstatus(int source, int flags, uint32_t intrstatusre
if (ret==NULL) return ESP_ERR_NO_MEM;
portENTER_CRITICAL(&spinlock);
int cpu=cpu_hal_get_core_id();
uint32_t cpu = cpu_hal_get_core_id();
//See if we can find an interrupt that matches the flags.
int intr=get_available_int(flags, cpu, force, source);
if (intr==-1) {
@ -796,23 +796,32 @@ esp_err_t IRAM_ATTR esp_intr_disable(intr_handle_t handle)
void IRAM_ATTR esp_intr_noniram_disable(void)
{
portENTER_CRITICAL_SAFE(&spinlock);
uint32_t oldint;
int cpu=cpu_hal_get_core_id();
uint32_t intmask=~non_iram_int_mask[cpu];
if (non_iram_int_disabled_flag[cpu]) abort();
non_iram_int_disabled_flag[cpu]=true;
oldint = interrupt_controller_hal_disable_int_mask(intmask);
//Save which ints we did disable
non_iram_int_disabled[cpu]=oldint&non_iram_int_mask[cpu];
uint32_t cpu = cpu_hal_get_core_id();
uint32_t non_iram_ints = non_iram_int_mask[cpu];
if (non_iram_int_disabled_flag[cpu]) {
abort();
}
non_iram_int_disabled_flag[cpu] = true;
oldint = interrupt_controller_hal_read_interrupt_mask();
interrupt_controller_hal_disable_interrupts(non_iram_ints);
// Save disabled ints
non_iram_int_disabled[cpu] = oldint & non_iram_ints;
portEXIT_CRITICAL_SAFE(&spinlock);
}
void IRAM_ATTR esp_intr_noniram_enable(void)
{
int cpu=cpu_hal_get_core_id();
int intmask=non_iram_int_disabled[cpu];
if (!non_iram_int_disabled_flag[cpu]) abort();
non_iram_int_disabled_flag[cpu]=false;
interrupt_controller_hal_enable_int_mask(intmask);
portENTER_CRITICAL_SAFE(&spinlock);
uint32_t cpu = cpu_hal_get_core_id();
int non_iram_ints = non_iram_int_disabled[cpu];
if (!non_iram_int_disabled_flag[cpu]) {
abort();
}
non_iram_int_disabled_flag[cpu] = false;
interrupt_controller_hal_enable_interrupts(non_iram_ints);
portEXIT_CRITICAL_SAFE(&spinlock);
}
//These functions are provided in ROM, but the ROM-based functions use non-multicore-capable

2
components/esp_wifi/CMakeLists.txt
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@ -37,7 +37,7 @@ idf_component_register(SRCS "src/coexist.c"
INCLUDE_DIRS "include" "${idf_target}/include"
REQUIRES esp_event
PRIV_REQUIRES driver esptool_py esp_netif esp_pm esp_timer nvs_flash
wpa_supplicant ${extra_priv_requires}
wpa_supplicant hal ${extra_priv_requires}
LDFRAGMENTS "${ldfragments}")
idf_build_get_property(build_dir BUILD_DIR)

5
components/esp_wifi/esp32/esp_adapter.c
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@ -40,6 +40,7 @@
#include "esp_phy_init.h"
#include "soc/dport_reg.h"
#include "soc/syscon_reg.h"
#include "hal/interrupt_controller_hal.h"
#include "phy_init_data.h"
#include "driver/periph_ctrl.h"
#include "nvs.h"
@ -667,8 +668,8 @@ wifi_osi_funcs_t g_wifi_osi_funcs = {
._set_intr = set_intr_wrapper,
._clear_intr = clear_intr_wrapper,
._set_isr = set_isr_wrapper,
._ints_on = xt_ints_on,
._ints_off = xt_ints_off,
._ints_on = interrupt_controller_hal_enable_interrupts,
._ints_off = interrupt_controller_hal_disable_interrupts,
._is_from_isr = is_from_isr_wrapper,
._spin_lock_create = spin_lock_create_wrapper,
._spin_lock_delete = free,

5
components/esp_wifi/esp32s2/esp_adapter.c
View File

@ -42,6 +42,7 @@
#include "soc/dport_reg.h"
#include "soc/rtc.h"
#include "soc/syscon_reg.h"
#include "hal/interrupt_controller_hal.h"
#include "phy_init_data.h"
#include "driver/periph_ctrl.h"
#include "nvs.h"
@ -648,8 +649,8 @@ wifi_osi_funcs_t g_wifi_osi_funcs = {
._set_intr = set_intr_wrapper,
._clear_intr = clear_intr_wrapper,
._set_isr = set_isr_wrapper,
._ints_on = xt_ints_on,
._ints_off = xt_ints_off,
._ints_on = interrupt_controller_hal_enable_interrupts,
._ints_off = interrupt_controller_hal_disable_interrupts,
._is_from_isr = is_from_isr_wrapper,
._spin_lock_create = spin_lock_create_wrapper,
._spin_lock_delete = free,

5
components/esp_wifi/esp32s3/esp_adapter.c
View File

@ -42,6 +42,7 @@
#include "soc/rtc_cntl_reg.h"
#include "soc/rtc.h"
#include "soc/syscon_reg.h"
#include "hal/interrupt_controller_hal.h"
#include "phy_init_data.h"
#include "driver/periph_ctrl.h"
#include "nvs.h"
@ -686,8 +687,8 @@ wifi_osi_funcs_t g_wifi_osi_funcs = {
._set_intr = set_intr_wrapper,
._clear_intr = clear_intr_wrapper,
._set_isr = set_isr_wrapper,
._ints_on = xt_ints_on,
._ints_off = xt_ints_off,
._ints_on = interrupt_controller_hal_enable_interrupts,
._ints_off = interrupt_controller_hal_disable_interrupts,
._is_from_isr = is_from_isr_wrapper,
._spin_lock_create = spin_lock_create_wrapper,
._spin_lock_delete = free,

35
components/hal/esp32/include/hal/interrupt_controller_ll.h
View File

@ -18,6 +18,8 @@
#include "soc/soc_caps.h"
#include "soc/soc.h"
#include "xtensa/xtensa_api.h"
#include "xt_instr_macros.h"
#include "xtensa/config/specreg.h"
#ifdef __cplusplus
extern "C" {
@ -43,6 +45,18 @@ static inline void intr_cntrl_ll_disable_interrupts(uint32_t mask)
xt_ints_off(mask);
}
/**
* @brief Read the current interrupt mask of the CPU running this code.
*
* @return The current interrupt bitmask.
*/
static inline uint32_t intr_cntrl_ll_read_interrupt_mask(void)
{
uint32_t int_mask;
RSR(INTENABLE, int_mask);
return int_mask;
}
/**
* @brief checks if given interrupt number has a valid handler
*
@ -79,27 +93,6 @@ static inline void *intr_cntrl_ll_get_int_handler_arg(uint8_t intr)
return xt_get_interrupt_handler_arg(intr);
}
/**
* @brief Disables interrupts that are not located in iram
*
* @param newmask mask of interrupts needs to be disabled
* @return oldmask where to store old interrupts state
*/
static inline uint32_t intr_cntrl_ll_disable_int_mask(uint32_t newmask)
{
return xt_int_disable_mask(newmask);
}
/**
* @brief Enables interrupts that are not located in iram
*
* @param newmask mask of interrupts needs to be disabled
*/
static inline void intr_cntrl_ll_enable_int_mask(uint32_t newmask)
{
xt_int_enable_mask(newmask);
}
/**
* @brief Acknowledge an edge-trigger interrupt by clearing its pending flag
*

40
components/hal/esp32c3/include/hal/interrupt_controller_ll.h
View File

@ -49,6 +49,16 @@ static inline void intr_cntrl_ll_disable_interrupts(uint32_t mask)
RV_SET_CSR(mstatus, old_mstatus & MSTATUS_MIE);
}
/**
* @brief Read the current interrupt mask of the CPU running this code.
*
* @return The current interrupt bitmask.
*/
static inline uint32_t intr_cntrl_ll_read_interrupt_mask(void)
{
return REG_READ(INTERRUPT_CORE0_CPU_INT_ENABLE_REG);
}
/**
* @brief checks if given interrupt number has a valid handler
*
@ -85,36 +95,6 @@ static inline void *intr_cntrl_ll_get_int_handler_arg(uint8_t intr)
return intr_handler_get_arg(intr);
}
/**
* @brief Disables interrupts that are not located in iram
*
* @param newmask mask of interrupts TO KEEP ENABLED (note: this is probably a bug, see IDF-2308)
* @return oldmask previous interrupt mask value
*/
static inline uint32_t intr_cntrl_ll_disable_int_mask(uint32_t newmask)
{
// Disable interrupts in order to atomically update the interrupt enable register
unsigned old_mstatus = RV_CLEAR_CSR(mstatus, MSTATUS_MIE);
uint32_t old_int_enable = REG_READ(INTERRUPT_CORE0_CPU_INT_ENABLE_REG);
REG_WRITE(INTERRUPT_CORE0_CPU_INT_ENABLE_REG, old_int_enable & newmask);
RV_SET_CSR(mstatus, old_mstatus & MSTATUS_MIE);
return old_int_enable;
}
/**
* @brief Enables interrupts that are not located in iram
*
* @param newmask mask of interrupts needs to be enabled
*/
static inline void intr_cntrl_ll_enable_int_mask(uint32_t newmask)
{
unsigned old_mstatus = RV_CLEAR_CSR(mstatus, MSTATUS_MIE);
esprv_intc_int_enable(newmask);
RV_SET_CSR(mstatus, old_mstatus & MSTATUS_MIE);
}
/**
* @brief Acknowledge an edge-trigger interrupt by clearing its pending flag
*

35
components/hal/esp32s2/include/hal/interrupt_controller_ll.h
View File

@ -18,6 +18,8 @@
#include "soc/soc_caps.h"
#include "soc/soc.h"
#include "xtensa/xtensa_api.h"
#include "xtensa/config/specreg.h"
#include "xt_instr_macros.h"
#ifdef __cplusplus
extern "C" {
@ -43,6 +45,18 @@ static inline void intr_cntrl_ll_disable_interrupts(uint32_t mask)
xt_ints_off(mask);
}
/**
* @brief Read the current interrupt mask of the CPU running this code.
*
* @return The current interrupt bitmask.
*/
static inline uint32_t intr_cntrl_ll_read_interrupt_mask(void)
{
uint32_t int_mask;
RSR(INTENABLE, int_mask);
return int_mask;
}
/**
* @brief checks if given interrupt number has a valid handler
*
@ -79,27 +93,6 @@ static inline void *intr_cntrl_ll_get_int_handler_arg(uint8_t intr)
return xt_get_interrupt_handler_arg(intr);
}
/**
* @brief Disables interrupts that are not located in iram
*
* @param newmask mask of interrupts needs to be disabled
* @return oldmask where to store old interrupts state
*/
static inline uint32_t intr_cntrl_ll_disable_int_mask(uint32_t newmask)
{
return xt_int_disable_mask(newmask);
}
/**
* @brief Enables interrupts that are not located in iram
*
* @param newmask mask of interrupts needs to be disabled
*/
static inline void intr_cntrl_ll_enable_int_mask(uint32_t newmask)
{
xt_int_enable_mask(newmask);
}
/**
* @brief Acknowledge an edge-trigger interrupt by clearing its pending flag
*

35
components/hal/esp32s3/include/hal/interrupt_controller_ll.h
View File

@ -18,6 +18,8 @@
#include "soc/soc_caps.h"
#include "soc/soc.h"
#include "xtensa/xtensa_api.h"
#include "xtensa/config/specreg.h"
#include "xt_instr_macros.h"
#ifdef __cplusplus
extern "C" {
@ -43,6 +45,18 @@ static inline void intr_cntrl_ll_disable_interrupts(uint32_t mask)
xt_ints_off(mask);
}
/**
* @brief Read the current interrupt mask of the CPU running this code.
*
* @return The current interrupt bitmask.
*/
static inline uint32_t intr_cntrl_ll_read_interrupt_mask(void)
{
uint32_t int_mask;
RSR(INTENABLE, int_mask);
return int_mask;
}
/**
* @brief checks if given interrupt number has a valid handler
*
@ -79,27 +93,6 @@ static inline void *intr_cntrl_ll_get_int_handler_arg(uint8_t intr)
return xt_get_interrupt_handler_arg(intr);
}
/**
* @brief Disables interrupts that are not located in iram
*
* @param newmask mask of interrupts needs to be disabled
* @return oldmask where to store old interrupts state
*/
static inline uint32_t intr_cntrl_ll_disable_int_mask(uint32_t newmask)
{
return xt_int_disable_mask(newmask);
}
/**
* @brief Enables interrupts that are not located in iram
*
* @param newmask mask of interrupts needs to be disabled
*/
static inline void intr_cntrl_ll_enable_int_mask(uint32_t newmask)
{
xt_int_enable_mask(newmask);
}
/**
* @brief Acknowledge an edge-trigger interrupt by clearing its pending flag
*

31
components/hal/include/hal/interrupt_controller_hal.h
View File

@ -135,6 +135,16 @@ static inline void interrupt_controller_hal_disable_interrupts(uint32_t mask)
intr_cntrl_ll_disable_interrupts(mask);
}
/**
* @brief Read the current interrupt mask.
*
* @return The bitmask of current interrupts
*/
static inline uint32_t interrupt_controller_hal_read_interrupt_mask(void)
{
return intr_cntrl_ll_read_interrupt_mask();
}
/**
* @brief checks if given interrupt number has a valid handler
*
@ -171,27 +181,6 @@ static inline void * interrupt_controller_hal_get_int_handler_arg(uint8_t intr)
return intr_cntrl_ll_get_int_handler_arg(intr);
}
/**
* @brief Disables interrupts that are not located in iram
*
* @param newmask mask of interrupts needs to be disabled
* @return oldmask where to store old interrupts state
*/
static inline uint32_t interrupt_controller_hal_disable_int_mask(uint32_t newmask)
{
return intr_cntrl_ll_disable_int_mask(newmask);
}
/**
* @brief Enables interrupts that are not located in iram
*
* @param newmask mask of interrupts needs to be disabled
*/
static inline void interrupt_controller_hal_enable_int_mask(uint32_t newmask)
{
intr_cntrl_ll_enable_int_mask(newmask);
}
/**
* @brief Acknowledge an edge-trigger interrupt by clearing its pending flag
*

41
components/xtensa/include/xtensa/xtensa_api.h
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@ -136,45 +136,4 @@ extern void * xt_get_interrupt_handler_arg(int n);
*/
bool xt_int_has_handler(int intr, int cpu);
/*
-------------------------------------------------------------------------------
Call this function to disable non iram located interrupts.
newmask - mask containing the interrupts to disable.
-------------------------------------------------------------------------------
*/
static inline uint32_t xt_int_disable_mask(uint32_t newmask)
{
uint32_t oldint;
asm volatile (
"movi %0,0\n"
"xsr %0,INTENABLE\n" //disable all ints first
"rsync\n"
"and a3,%0,%1\n" //mask ints that need disabling
"wsr a3,INTENABLE\n" //write back
"rsync\n"
:"=&r"(oldint):"r"(newmask):"a3");
return oldint;
}
/*
-------------------------------------------------------------------------------
Call this function to enable non iram located interrupts.
newmask - mask containing the interrupts to enable.
-------------------------------------------------------------------------------
*/
static inline void xt_int_enable_mask(uint32_t newmask)
{
asm volatile (
"movi a3,0\n"
"xsr a3,INTENABLE\n"
"rsync\n"
"or a3,a3,%0\n"
"wsr a3,INTENABLE\n"
"rsync\n"
::"r"(newmask):"a3");
}
#endif /* __XTENSA_API_H__ */