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Changes according to merge request

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This commit is contained in:
Jeroen Domburg
2016-12-06 14:20:12 +08:00
parent 655fd2986a
commit 32fa94935d
7 changed files with 42 additions and 34 deletions
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35
components/esp32/intr_alloc.c
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@@ -225,12 +225,13 @@ static vector_desc_t *find_desc_for_int(int intno, int cpu)
//Returns a vector_desc entry for an intno/cpu.
//Either returns a preexisting one or allocates a new one and inserts
//it into the list.
//it into the list. Returns NULL on malloc fail.
static vector_desc_t *get_desc_for_int(int intno, int cpu)
{
vector_desc_t *vd=find_desc_for_int(intno, cpu);
if (vd==NULL) {
vector_desc_t *newvd=malloc(sizeof(vector_desc_t));
if (newvd==NULL) return NULL;
memset(newvd, 0, sizeof(vector_desc_t));
newvd->intno_cpu=to_intno_cpu(intno, cpu);
insert_vector_desc(newvd);
@@ -247,6 +248,10 @@ esp_err_t esp_intr_mark_shared(int intno, int cpu, bool is_int_ram)
portENTER_CRITICAL(&spinlock);
vector_desc_t *vd=get_desc_for_int(intno, cpu);
if (vd==NULL) {
portEXIT_CRITICAL(&spinlock);
return ESP_ERR_NO_MEM;
}
vd->flags=VECDESC_FL_SHARED;
if (is_int_ram) vd->flags|=VECDESC_FL_INIRAM;
portEXIT_CRITICAL(&spinlock);
@@ -261,6 +266,10 @@ esp_err_t esp_intr_reserve(int intno, int cpu)
portENTER_CRITICAL(&spinlock);
vector_desc_t *vd=get_desc_for_int(intno, cpu);
if (vd==NULL) {
portEXIT_CRITICAL(&spinlock);
return ESP_ERR_NO_MEM;
}
vd->flags=VECDESC_FL_RESERVED;
portEXIT_CRITICAL(&spinlock);
@@ -301,7 +310,7 @@ static int get_free_int(int flags, int cpu, int force)
ALCHLOG(TAG, "get_free_int: start looking. Current cpu: %d", cpu);
//Iterate over the 32 possible interrupts
for (x=0; x!=31; x++) {
for (x=0; x<32; x++) {
//Grab the vector_desc for this vector.
vector_desc_t *vd=find_desc_for_int(x, cpu);
if (vd==NULL) vd=&empty_vect_desc;
@@ -430,6 +439,7 @@ static void IRAM_ATTR shared_intr_isr(void *arg)
esp_err_t esp_intr_alloc_intrstatus(int source, int flags, uint32_t intrstatusreg, uint32_t intrstatusmask, intr_handler_t handler,
void *arg, int_handle_t *ret_handle)
{
int_handle_data_t *ret=NULL;
int force=-1;
ESP_EARLY_LOGV(TAG, "esp_intr_alloc_intrstatus (cpu %d): checking args", xPortGetCoreID());
//Shared interrupts should be level-triggered.
@@ -462,6 +472,12 @@ esp_err_t esp_intr_alloc_intrstatus(int source, int flags, uint32_t intrstatusre
if (source==ETS_INTERNAL_SW1_INTR_SOURCE) force=ETS_INTERNAL_SW1_INTR_NO;
if (source==ETS_INTERNAL_PROFILING_INTR_SOURCE) force=ETS_INTERNAL_PROFILING_INTR_NO;
//If we should return a handle, allocate it here.
if (ret_handle!=NULL) {
ret=malloc(sizeof(int_handle_data_t));
if (ret==NULL) return ESP_ERR_NO_MEM;
}
portENTER_CRITICAL(&spinlock);
int cpu=xPortGetCoreID();
//See if we can find an interrupt that matches the flags.
@@ -469,15 +485,26 @@ esp_err_t esp_intr_alloc_intrstatus(int source, int flags, uint32_t intrstatusre
if (intr==-1) {
//None found. Bail out.
portEXIT_CRITICAL(&spinlock);
free(ret);
return ESP_ERR_NOT_FOUND;
}
//Get an int vector desc for int.
vector_desc_t *vd=get_desc_for_int(intr, cpu);
if (vd==NULL) {
portEXIT_CRITICAL(&spinlock);
free(ret);
return ESP_ERR_NO_MEM;
}
//Allocate that int!
if (flags&ESP_INTR_FLAG_SHARED) {
//Populate vector entry and add to linked list.
shared_vector_desc_t *sh_vec=malloc(sizeof(shared_vector_desc_t));
if (sh_vec==NULL) {
portEXIT_CRITICAL(&spinlock);
free(ret);
return ESP_ERR_NO_MEM;
}
memset(sh_vec, 0, sizeof(shared_vector_desc_t));
sh_vec->statusreg=(uint32_t*)intrstatusreg;
sh_vec->statusmask=intrstatusmask;
@@ -506,10 +533,8 @@ esp_err_t esp_intr_alloc_intrstatus(int source, int flags, uint32_t intrstatusre
if (source>=0) {
intr_matrix_set(cpu, source, intr);
}
//If we should return a handle, allocate it here.
//Fill return handle if needed
if (ret_handle!=NULL) {
int_handle_data_t *ret;
ret=malloc(sizeof(int_handle_data_t));
ret->vector_desc=vd;
ret->shared_vector_desc=vd->shared_vec_info;
*ret_handle=ret;