Replaced the mipssim serial_init() ¬call with serial_mm_init(isa, 0x20000, env->irq, 115200, serial_hd(0), DEVICE_NATIVE_ENDIAN). However, as I am attempting to retool the mipssim board, I have only made minor changes to the code, which are as follows:Ĭhanged load_image_targphys() target address to 0x1F000000Ĭhanged $pc initial value to 0xBF000000 (TLB remap of 0x1F000000) I have to apologize here, but I am unable to share my source. Target firmware: VxWorks 6.6 with U-Boot bootloadĬommand used: qemu-system-mips -S -s -cpu 24Kc -M mipssim –nographic -device loader,addr=0xBF000000,cpu-num=0 -serial /dev/ttyS0 -bios target_image.bin Target device: Qualcomm QCA9533 ( Documentation here if you're curious) I’m trying to use QEMU to emulate a piece of firmware, but I’m having trouble getting the UART device to properly update the Line Status Register and display the input character.
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