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By default, the small core enables D-Cache without ensuring cache
coherence. Therefore, when using shared memory, inconsistencies can
occur in the data read by the small core and the big core.
Solution: Migrate cache-related functions from the official
duo-buildroot-sdk library to implement cache-related operations in
rthw.h. This allows you to either disable D-Cache or call the
flush_dcache_range function before reading and after writing for
synchronization.
It is recommended to use the flush_dcache_range function, as disabling
D-Cache can have a significant performance impact.
Signed-off-by: zdtyuiop4444 <[email protected]>
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description: In the bsp/cvitek/c906_little/board/interrupt.c, There is an issue with
setting the PLIC_PRIORITY[n].
analysis: PLIC_PRIORITY[n] each register corresponds to the priority of
a hardware interrupt number.
Solution: Each register is 4 bytes.
Multiply the total number of IRQs by 4 instead of dividing by 4.
Signed-off-by: Liu Gui <[email protected]>
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fix gpio and sci drivers for RZ series
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RISCV_S_MODE configuration only affects the code in
libcpu/risc-v/virt64, and the only bsp using this
libcpu is qemu-virt64-riscv.
Considering s-mode is the default mode RT-Thread
running on virt64 machine, it seems unnecessary to
make RISCV_S_MODE a Kconfig option.
Solution: Remove RISCV_S_MODE from Kconfig and define
it as a macro in the code in libcpu/risc-v/virt64.
Plus, due to this macro is only related to virt64, rename
RISCV_S_MODE to RISCV_VIRT64_S_MODE.
Update the .config/rtconfig.h in this patch.
Signed-off-by: Chen Wang <[email protected]>
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Confirmed with milkv, only the sd card version is sold
by default for duo in the market. The spi pins are
provided through stamp holes, so that users can solder
the corresponding components on their baseboard during
secondary development.
In order to simplify maintenance work, the mainline
will only support the sd-card version and no longer
support spinor/spinand.
Updated config files the same in this patch.
Signed-off-by: Chen Wang <[email protected]>
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- corrected the alignement check logic
- optimized the cache maintenance logic
Signed-off-by: Fan YANG <[email protected]>
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error: a label can only be part of a statement and a declaration is not a statement 459 | rt_uint32_t errtype;
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duo is a real hardware, no need for virtio.
Disable RT_USING_VIRTIO and update configuration to latest.
Signed-off-by: Chen Wang <[email protected]>
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Re-write README.md for aarch64.
Signed-off-by: Chen Wang <[email protected]>
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Move the combine.sh to under cv18xx_aarch64, so we can
run this script the same as scons and no need to change
cwd.
Rename the folder boot to prebuild just becuase all the
files under boot are prebuild binaries.
Move the prebuilt fip.bin to under prebuild/milkv-duo256m
because it's only for 256.
Update combine.sh accordingly and output fip.bin to the output
folder where we create fip.bin/boot.sd as other bsp.
Signed-off-by: Chen Wang <[email protected]>
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For ARM, RT-smart and RT-standard both enable mmc (see
rt_hw_board_init() in bsp/cvitek/cv18xx_aarch64/board/board.c,
rt_hw_mmu_setup is called both for smart or standard).
So ioremap is must to do for ARM.
Signed-off-by: Chen Wang <[email protected]>
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Updated README for cvitek.
Signed-off-by: Chen Wang <[email protected]>
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There is problem in the Kconfig of qemu-virt64-riscv.
RT_USING_VIRTIO is already defined in components/drivers/virtio/Kconfig,
so it should not be defined again in the BSP kconfig.
The solution is to rename RT_USING_VIRTIO to BSP_USING_VIRTIO.
Also, refer to the configuration method for virtio device drivers in
bsp/qemu-virt64-aarch64/drivers/Kconfig to rewrite the configuration
of BSP_USING_VIRTIO_xxx.
Updated default .config/rtconfig.h at the same time.
Signed-off-by: Chen Wang <[email protected]>
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definations.
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- `dbg_log` is a “NOT RECOMMENDED API”, convert the calling of this
API to LOG_x and remove this API.
- `dbg_here`/`dbg_enter`/`dbg_exit`: no one use these APIs, remove
them directly.
Signed-off-by: Chen Wang <[email protected]>
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GPL is conflict with Apache, which is used by RTT.
See <https://www.apache.org/licenses/GPL-compatibility.html>
Also clean up and remove some words such "LINUX".
Signed-off-by: Chen Wang <[email protected]>
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Now lwext4 is ready, and qemu-virt64-riscv smart can boot with rootfs.
Updated README to introduce this.
This patch also replace qemu-nographic.sh with run.sh, which has a more
simple name and more robust to launch rootfs image binary.
TBD: qemu-nographic.bat is not touched, hope some guys from Windows can
give a hand.
Signed-off-by: Chen Wang <[email protected]>
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Now lwext4 package has supported ext4. Add description in README
to introduce how to create rootfs of type ext4.
Signed-off-by: Chen Wang <[email protected]>
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Signed-off-by: GuEe-GUI <[email protected]>
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Signed-off-by: GuEe-GUI <[email protected]>
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Signed-off-by: flyingcys <[email protected]>
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Signed-off-by: GuEe-GUI <[email protected]>
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When RTC is enabled, a warning appear during compiling:
warning: implicit declaration of function 'rtc_alarm_enable' [-Wimplicit-function-declaration]
366 | rtc_alarm_enable(alarm->enable);
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It's due to _rtc_set_alarm is not covered by RT_USING_ALARM. It's wrong.
Solution: cover all functions including _rtc_get_alarm & _rtc_set_alarm
under RT_USING_ALARM macro conditional defintion.
Signed-off-by: Chen Wang <[email protected]>
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README.md: add introduction about how to make rootfs(fat) and
booting kernel with it.
Plus some cleanup for this documentation.
Signed-off-by: Chen Wang <[email protected]>
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Support mount rootfs automaticly during booting up.
First try ext, then fat.
Plus some code cleanup, such as remove BSP_USING_ON_CHIP_FLASH_FS,
which is not defined and unused.
Signed-off-by: Chen Wang <[email protected]>
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ROMFS is Read-Only Memory Filesystem. But ext4/fat are not read-only.
So renamed:
- mnt_romfs.c -> mnt_diskfs.c
- BSP_ROOTFS_TYPE_ROMFS -> BSP_ROOTFS_TYPE_DISKFS
Signed-off-by: Chen Wang <[email protected]>
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