2021-03-08 16:19:29 +01:00
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1. Download and install toolchain
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https://occ.t-head.cn/community/download
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2. Download and install qemu
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https://occ.t-head.cn/community/download
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3. Modify defconfig
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CONFIG_C906_WITH_QEMU=y
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4. Configure and build NuttX
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$ make distclean
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$ ./tools/configure.sh smartl-c906:nsh
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$ make -j
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5. Run the nuttx with qemu
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Modify the soc config file "smarth_906_cfg.xml", enlarge the RAM size.
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- <mem name="smart_inst_mem" addr="0x0" size ="0x00020000" attr ="MEM_RAM"></mem>
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+ <mem name="smart_inst_mem" addr="0x0" size ="0x00400000" attr ="MEM_RAM"></mem>
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...
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- smart_inst_mem, Start: 0x0, Length: 0x20000
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+ smart_inst_mem, Start: 0x0, Length: 0x400000
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Then launch QEMU:
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$ ./cskysim -soc $PATH_TO_SOCCFG/smarth_906_cfg.xml -nographic -kernel $PATH_TO_NUTTX_BUILD_DIR/nuttx
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6. TODO
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2021-03-16 03:06:06 +01:00
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Support protect mode via PMP
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2021-03-08 16:19:29 +01:00
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Support RISC-V User mode
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