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espressif / qemu

Fork of QEMU with Espressif patches. See Wiki for details.
https://github.com/espressif/esp-toolchain-docs/blob/main/qemu/README.md
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Failed to init external RAM (QEMU-84) #57

Open 0xPIT opened 2 years ago

0xPIT commented 2 years ago

I try to test my code according to the documentation on this wiki. The esp-develop branch of today can't seem to allocate PSRAM, see below.

E (2884) quad_psram: PSRAM ID read error: 0x00000000
E (2886) cpu_start: Failed to init external RAM!

Any tips on what I did wrong and how to resolve this?

Thanks

../../qemu/build/qemu-system-xtensa -nographic -machine esp32 -m 4M -drive file=build/flash_image.bin,if=mtd,format=raw
==75211==WARNING: ASan is ignoring requested __asan_handle_no_return: stack type: default top: 0x00016fb0f000; bottom 0x00010affc000; size: 0x000064b13000 (1689333760)
False positive error reports may follow
For details see https://github.com/google/sanitizers/issues/189
Adding SPI flash device
ets Jul 29 2019 12:21:46

rst:0x1 (POWERON_RESET),boot:0x12 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff0030,len:7032
load:0x40078000,len:15404
ho 0 tail 12 room 4
load:0x40080400,len:3816
entry 0x40080648
I (655) boot: ESP-IDF v5.1-dev-1626-g4b6d9c8ad3-dirty 2nd stage bootloader
I (662) boot: compile time Nov 14 2022 18:14:06
I (678) boot: chip revision: V000
I (689) boot.esp32: SPI Speed      : 80MHz
I (691) boot.esp32: SPI Mode       : DIO
I (693) boot.esp32: SPI Flash Size : 4MB
I (718) boot: Enabling RNG early entropy source...
I (769) boot: Partition Table:
I (771) boot: ## Label            Usage          Type ST Offset   Length
I (773) boot:  0 nvs              WiFi data        01 02 00009000 00006000
I (776) boot:  1 phy_init         RF data          01 01 0000f000 00001000
I (778) boot:  2 factory          factory app      00 00 00010000 00160000
I (779) boot:  3 diska            unknown          6f 01 00170000 001f4000
I (799) boot: End of partition table
I (816) esp_image: segment 0: paddr=00010020 vaddr=3f400020 size=188bch (100540) map
I (1100) esp_image: segment 1: paddr=000288e4 vaddr=3ffb0000 size=035b4h ( 13748) load
I (1170) esp_image: segment 2: paddr=0002bea0 vaddr=40080000 size=04178h ( 16760) load
I (1253) esp_image: segment 3: paddr=00030020 vaddr=400d0020 size=67364h (422756) map
I (2552) esp_image: segment 4: paddr=0009738c vaddr=40084178 size=0fd74h ( 64884) load
I (2784) boot: Loaded app from partition at offset 0x10000
I (2786) boot: Disabling RNG early entropy source...
I (2828) quad_psram: This chip is ESP32-D0WD
E (2884) quad_psram: PSRAM ID read error: 0x00000000
E (2886) cpu_start: Failed to init external RAM!

abort() was called at PC 0x40081928 on core 0
igrr commented 1 year ago

@0xPIT Sorry for the late reply. This seems to be happening with CONFIG_SPIRAM_SPEED_80M=y option set. Please use CONFIG_SPIRAM_SPEED_40M=y in the meantime as a workaround, when running the app in QEMU. I'll investigate how to fix this on QEMU side.