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fix(riscv): supports 1 byte and larger than 64byte range watchpoint setting

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This commit is contained in:
wuzhenghui
2023-11-16 20:23:57 +08:00
parent 4379d26f65
commit 600986cf49
6 changed files with 39 additions and 22 deletions
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components/esp_hw_support/cpu.c
+11 -3
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@@ -387,11 +387,19 @@ esp_err_t esp_cpu_set_watchpoint(int wp_num, const void *wp_addr, size_t size, e
{
/*
Todo:
- Check that wp_num is in range
- Check if the wp_num is already in use
*/
// Check if size is 2^n, where n is in [0...6]
if (size < 1 || size > 64 || (size & (size - 1)) != 0) {
if (wp_num < 0 || wp_num >= SOC_CPU_WATCHPOINTS_NUM) {
return ESP_ERR_INVALID_ARG;
}
// Check that the watched region's start address is naturally aligned to the size of the region
if ((uint32_t)wp_addr % size) {
return ESP_ERR_INVALID_ARG;
}
// Check if size is 2^n, and size is in the range of [1 ... SOC_CPU_WATCHPOINT_MAX_REGION_SIZE]
if (size < 1 || size > SOC_CPU_WATCHPOINT_MAX_REGION_SIZE || (size & (size - 1)) != 0) {
return ESP_ERR_INVALID_ARG;
}
bool on_read = (trigger == ESP_CPU_WATCHPOINT_LOAD || trigger == ESP_CPU_WATCHPOINT_ACCESS);