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bounds check for last_interrupt_index #320

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Merged
merged 4 commits into from
May 24, 2024
Merged

bounds check for last_interrupt_index #320

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c93d0c5
bounds check for last_interrupt_index
delta-G May 18, 2024
4eb7804
added irq counts as defines
delta-G May 22, 2024
89e22a2
peripherals with more than one interrupt
delta-G May 22, 2024
1d0792d
fixed some off by ones
delta-G May 22, 2024
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47 changes: 32 additions & 15 deletions cores/arduino/IRQManager.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -67,8 +67,10 @@ bool IRQManager::addADCScanEnd(ADC_Container *adc, Irq_f fnc /*= nullptr*/) {
/* set the displacement to the "programmable" part of the table */
irq_ptr += FIXED_IRQ_NUM;
bool rv = true;

if (adc->cfg.scan_end_irq == FSP_INVALID_VECTOR) {
if (last_interrupt_index >= PROG_IRQ_NUM){
rv = false;
}
else if (adc->cfg.scan_end_irq == FSP_INVALID_VECTOR) {
if(set_adc_end_link_event(last_interrupt_index, adc->cfg.unit)) {
adc->cfg.scan_end_ipl = TIMER_PRIORITY;
adc->cfg.scan_end_irq = (IRQn_Type)last_interrupt_index;
Expand Down Expand Up @@ -101,8 +103,10 @@ bool IRQManager::addADCScanEndB(ADC_Container *adc, Irq_f fnc /*= nullptr*/) {
/* set the displacement to the "programmable" part of the table */
irq_ptr += FIXED_IRQ_NUM;
bool rv = true;

if (adc->cfg.scan_end_b_irq == FSP_INVALID_VECTOR) {
if (last_interrupt_index >= PROG_IRQ_NUM){
rv = false;
}
else if (adc->cfg.scan_end_b_irq == FSP_INVALID_VECTOR) {
if(set_adc_end_b_link_event(last_interrupt_index, adc->cfg.unit)) {
adc->cfg.scan_end_b_ipl = TIMER_PRIORITY;
adc->cfg.scan_end_b_irq = (IRQn_Type)last_interrupt_index;
Expand All @@ -125,8 +129,10 @@ bool IRQManager::addADCWinCmpA(ADC_Container *adc, Irq_f fnc /*= nullptr*/) {
/* set the displacement to the "programmable" part of the table */
irq_ptr += FIXED_IRQ_NUM;
bool rv = true;

if( ((adc_extended_cfg_t *)(adc->cfg.p_extend))->window_a_irq == FSP_INVALID_VECTOR) {
if (last_interrupt_index >= PROG_IRQ_NUM){
rv = false;
}
else if( ((adc_extended_cfg_t *)(adc->cfg.p_extend))->window_a_irq == FSP_INVALID_VECTOR) {
if(set_adc_win_a_link_event(last_interrupt_index, adc->cfg.unit)) {
((adc_extended_cfg_t *)(adc->cfg.p_extend))->window_a_ipl = TIMER_PRIORITY;
((adc_extended_cfg_t *)(adc->cfg.p_extend))->window_a_irq = (IRQn_Type)last_interrupt_index;
Expand All @@ -150,8 +156,10 @@ bool IRQManager::addADCWinCmpB(ADC_Container *adc, Irq_f fnc /*= nullptr*/) {
/* set the displacement to the "programmable" part of the table */
irq_ptr += FIXED_IRQ_NUM;
bool rv = true;

if (((adc_extended_cfg_t *)(adc->cfg.p_extend))->window_b_irq == FSP_INVALID_VECTOR) {
if (last_interrupt_index >= PROG_IRQ_NUM){
rv = false;
}
else if (((adc_extended_cfg_t *)(adc->cfg.p_extend))->window_b_irq == FSP_INVALID_VECTOR) {
if(set_adc_win_b_link_event(last_interrupt_index, adc->cfg.unit)) {
((adc_extended_cfg_t *)(adc->cfg.p_extend))->window_b_ipl = TIMER_PRIORITY;
((adc_extended_cfg_t *)(adc->cfg.p_extend))->window_b_irq = (IRQn_Type)last_interrupt_index;
Expand All @@ -177,8 +185,10 @@ bool IRQManager::addTimerOverflow(TimerIrqCfg_t &cfg, Irq_f fnc /* = nullptr */)
/* set the displacement to the "programmable" part of the table */
irq_ptr += FIXED_IRQ_NUM;
bool rv = true;

if (cfg.base_cfg->cycle_end_irq == FSP_INVALID_VECTOR) {
if (last_interrupt_index >= PROG_IRQ_NUM){
rv = false;
}
else if (cfg.base_cfg->cycle_end_irq == FSP_INVALID_VECTOR) {
if(cfg.gpt_ext_cfg != nullptr) {
if(set_gpt_over_link_event(last_interrupt_index, cfg.base_cfg->channel)) {
cfg.base_cfg->cycle_end_ipl = TIMER_PRIORITY;
Expand Down Expand Up @@ -224,7 +234,7 @@ bool IRQManager::addTimerUnderflow(TimerIrqCfg_t &cfg, Irq_f fnc /*= nullptr*/)
irq_ptr += FIXED_IRQ_NUM;
bool rv = true;

if(cfg.agt_ext_cfg != nullptr) {
if((cfg.agt_ext_cfg != nullptr) || (last_interrupt_index >= PROG_IRQ_NUM)) {
/* not supported for AGT */
rv = false;
}
Expand Down Expand Up @@ -258,7 +268,7 @@ bool IRQManager::addTimerCompareCaptureA(TimerIrqCfg_t &cfg, Irq_f fnc /*= nullp
irq_ptr += FIXED_IRQ_NUM;
bool rv = true;

if(cfg.agt_ext_cfg != nullptr) {
if((cfg.agt_ext_cfg != nullptr) || (last_interrupt_index >= PROG_IRQ_NUM)) {
/* not supported for AGT */
rv = false;
}
Expand Down Expand Up @@ -292,7 +302,7 @@ bool IRQManager::addTimerCompareCaptureB(TimerIrqCfg_t &cfg, Irq_f fnc /*= nullp
irq_ptr += FIXED_IRQ_NUM;
bool rv = true;

if(cfg.agt_ext_cfg != nullptr) {
if((cfg.agt_ext_cfg != nullptr) || (last_interrupt_index >= PROG_IRQ_NUM)) {
/* not supported for AGT */
rv = false;
}
Expand Down Expand Up @@ -326,8 +336,10 @@ bool IRQManager::addDMA(dmac_extended_cfg_t &cfg, Irq_f fnc /* = nullptr */) {
/* set the displacement to the "programmable" part of the table */
irq_ptr += FIXED_IRQ_NUM;
bool rv = true;

if (cfg.irq == FSP_INVALID_VECTOR) {
if (last_interrupt_index >= PROG_IRQ_NUM){
rv = false;
}
else if (cfg.irq == FSP_INVALID_VECTOR) {
/* to check correctness of the channel */
if(set_dma_link_event(last_interrupt_index, cfg.channel)) {
cfg.ipl = DMA_PRIORITY;
Expand Down Expand Up @@ -357,6 +369,11 @@ bool IRQManager::addPeripheral(Peripheral_t p, void *cfg) {
irq_ptr += FIXED_IRQ_NUM;
bool rv = true;

if(last_interrupt_index >= PROG_IRQ_NUM){
rv = false;
goto end_config;
}

__disable_irq();
/* **********************************************************************
USB
Expand Down