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Merge branch 'bugfix/c6_pmp_ulp' into 'master'

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hw-support: configure PMP to allow writing to ULP memory area

See merge request espressif/esp-idf!22555
This commit is contained in:
Marius Vikhammer 2023-03-02 11:56:48 +08:00
commit 2f6a362be9
1 changed files with 8 additions and 4 deletions
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12
components/esp_hw_support/cpu.c
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@ -686,8 +686,12 @@ void esp_cpu_configure_region_protection(void)
#if CONFIG_ESP_SYSTEM_PMP_IDRAM_SPLIT && !BOOTLOADER_BUILD
extern int _rtc_text_end;
PMP_ENTRY_SET(10, SOC_RTC_IRAM_LOW, PMP_NONE);
PMP_ENTRY_SET(11, (int)&_rtc_text_end, PMP_TOR | PMP_RX);
PMP_ENTRY_SET(12, SOC_RTC_IRAM_HIGH, PMP_TOR | PMP_RW);
#if CONFIG_ULP_COPROC_RESERVE_MEM
// First part of LP mem is reserved for coprocessor
PMP_ENTRY_SET(11, SOC_RTC_IRAM_LOW + CONFIG_ULP_COPROC_RESERVE_MEM, PMP_TOR | PMP_RW);
#endif //CONFIG_ULP_COPROC_RESERVE_MEM
PMP_ENTRY_SET(12, (int)&_rtc_text_end, PMP_TOR | PMP_RX);
PMP_ENTRY_SET(13, SOC_RTC_IRAM_HIGH, PMP_TOR | PMP_RW);
#else
const uint32_t pmpaddr10 = PMPADDR_NAPOT(SOC_RTC_IRAM_LOW, SOC_RTC_IRAM_HIGH);
PMP_ENTRY_SET(10, pmpaddr10, PMP_NAPOT | CONDITIONAL_RWX);
@ -696,8 +700,8 @@ void esp_cpu_configure_region_protection(void)
// 7. Peripheral addresses
const uint32_t pmpaddr13 = PMPADDR_NAPOT(SOC_PERIPHERAL_LOW, SOC_PERIPHERAL_HIGH);
PMP_ENTRY_SET(13, pmpaddr13, PMP_NAPOT | PMP_RW);
const uint32_t pmpaddr14 = PMPADDR_NAPOT(SOC_PERIPHERAL_LOW, SOC_PERIPHERAL_HIGH);
PMP_ENTRY_SET(14, pmpaddr14, PMP_NAPOT | PMP_RW);
_Static_assert(SOC_PERIPHERAL_LOW < SOC_PERIPHERAL_HIGH, "Invalid peripheral region");
}
#elif CONFIG_IDF_TARGET_ESP32H2