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Firware: Fix a race condition when single stepping at slow (<= 1MHz) clock rates

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Change-Id: Iee127a2765559d46f25c7fa1b2ad50cccba6cb9d
This commit is contained in:
David Banks 2020-05-17 09:55:56 +01:00
parent ac69ecdc21
commit 46d859f68c
1 changed files with 3 additions and 0 deletions
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firmware/AtomBusMon.c
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@ -1053,6 +1053,9 @@ uint8_t logDetails() {
} }
void logAddr() { void logAddr() {
// Delay works around a race condition with slow CPUs
// (really the STEP and RESET commands should be synchronous)
Delay_us(100);
memAddr = hwRead16(OFFSET_IAL); memAddr = hwRead16(OFFSET_IAL);
// Update the serial console // Update the serial console
logCycleCount(OFFSET_CNTL, OFFSET_CNTH); logCycleCount(OFFSET_CNTL, OFFSET_CNTH);