Change the logic for allocating user heap for PROTECTED_BUILD:
- Don't rely on SRAM1_END alignment
- Make better use of MPU subregions when allocating the heap
- Don't duplicate the calculation of user heap start in kernel heap
allocation; use the previous calculation directly
Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
All supported arch uses a push-down stack:
The stack grows toward lower addresses in memory. The stack pointer
register points to the lowest, valid working address (the "top" of
the stack). Items on the stack are referenced as positive(include zero)
word offsets from sp.
Which means that for stack in the [begin, begin + size):
1.The initial SP point to begin + size
2.push equals sub and then store
3.pop equals load and then add
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That field is never used and, in most cases, is never initialized correctly.
This should have no impact to anything with the possible exception of free-running drivers.
Verified using CI builds only.
The comments at the top of the file say this:
```
This will be automatically registered
* - AXI SRAM is a 512kb memory area. This will be automatically registered
* with the system heap in up_allocate_heap, all the other memory
* regions will be registered in arm_addregion().
```
but the implementation was using SRAM123 instead. Furthermore, arm_addregion then re-adds SRAM123 again.
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This change makes it so that the timeout is set as part of the SDIO_WAITENABLE call instead of the SDIO_EVENTWAIT call. By doing so, you eliminate all opportunity for a race condition.
stm32h7:sdmmc Check if busy ended early
1.To support the different MCU in series(e.g. cortex-m0+)
2.It's redundant since we already specify in compliler option
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Normally, statically allocated data goes in .bss, followed by the
initial stack, followed by HEAP. However, any data that is statically
allocated in SRAM4 with __attribute__ ((section (".sram4"))) will
clobber, and be clobbered by, the HEAP.
On STM32H7, BDMA can only access SRAM4. Therefore any BDMA buffers (or
any other data) placed in SRAM4 will expose this problem. In one case,
this manifested as a failure of NSH to start, because the SPI6 BDMA
buffers clobbered the /dev/console inode structs, which the OS
allocated earlier.
This PR ensures that only the rest of SRAM4, after any static data, is
added to the heap. This PR also allows SRAM4 to be completely excluded
from the heap by a new Kconfig, CONFIG_STM32H7_SRAM4EXCLUDE, similar
to what CONFIG_STM32H7_DTCMEXCLUDE does for the DTCM region.
Change required in linker scripts:
Every STM32H7 linker script must replace this:
.sram4 :
{
} > sram4
with this:
.sram4_reserve (NOLOAD) :
{
*(.sram4)
. = ALIGN(4);
_sram4_heap_start = ABSOLUTE(.);
} > sram4
or link will fail with: undefined reference to '_sram4_heap_start'.
The Release Notes should document this for users with out-of-tree
boards.
arch/arm/src/stm32h7/Kconfig:
* Add config STM32H7_SRAM4EXCLUDE to allow excluding all of SRAM4
from the HEAP.
arch/arm/src/stm32h7/stm32_allocateheap.c:
* Only when including SRAM4 in the heap, define HAVE_SRAM4,
SRAM4_START, SRAM4_END, and SRAM4_HEAP_START.
* Add "Private Data" section.
* Add extern for_sram4_heap_start, which must be defined in the
board's linker script.
* arm_addregion(): Only add SRAM4 to the heap when configured to
do so, i.e., unless CONFIG_STM32H7_SRAM4EXCLUDE is defined, and
only add the portion of SRAM4 that is past any static data.
boards/arm/stm32h7/nucleo-h743zi/scripts/flash.ld:
boards/arm/stm32h7/nucleo-h743zi/scripts/kernel.space.ld:
boards/arm/stm32h7/nucleo-h743zi2/scripts/flash.ld:
boards/arm/stm32h7/stm32h747i-disco/scripts/flash.ld:
boards/arm/stm32h7/stm32h747i-disco/scripts/kernel.space.ld:
* Update all in-tree STM32H7 board linker scripts as described in
"Change required in linker scripts" above.
Testing:
* Successfully built all of the following configurations:
nucleo-h743zi2:jumbo
nucleo-h743zi2:nsh
nucleo-h743zi:nxlines_oled
nucleo-h743zi:elf
nucleo-h743zi:otg_fs_host
nucleo-h743zi:nsh
nucleo-h743zi:netnsh
nucleo-h743zi:pwm
stm32h747i-disco:nsh
* Tested with custom board.
* nxstyle.
References:
[1] See the dev@nuttx.a.o mailing list discussion started 2021/03/25:
"How to ensure HEAP will not overlap static DMA buffer?"
https://lists.apache.org/thread.html/recf2bb9043f8c9f53c10917e2adb2ec64fe35dc5e6f9a695a7ac6ecc%40%3Cdev.nuttx.apache.org%3E
[2] See arm_addregion() in arch/arm/src/stm32h7/stm32_allocateheap.c
Thanks to Gregory Nutt and David Sidrane for suggestions and reviews.
The maximum number of samples which can be handled without overrun depends on various factors.
This is the user's responsibility to correctly select this value.
Since the interfece to update the sampling time is available for all supported devices,
the user can change the default vaules in the board initialization logic and avoid ADC overrun.
arch/arm/src/stm32h7/stm32_dma.c:
* Include <inttypes.h> explicitly for format specifiers.
* In functions stm32_mdma_capable(), stm32_mdma_dump(),
stm32_sdma_setup(), stm32_sdma_capable(), stm32_sdma_dump(),
stm32_bdma_setup(), stm32_bdma_capable(), stm32_bdma_dump(),
stm32_dmamux_dump(), stm32_dmachannel(), stm32_dmafree(), and
stm32_dmadump():
Where appropriate, use format specifiers from <inttypes.h> in
calls to dmainfo(). This removes numerous compiler warnings
like:
warning: format '%x' expects argument of type 'unsigned int',
but argument 3 has type 'uint32_t {aka long unsigned int}'
[-Wformat=]
* In function stm32_mdma_disable():
Remove wrong redefinition of 'dmachan' parameter as a local
variable. This fixes the following compiler error that occurs
when building with CONFIG_STM32H7_MDMA:
chip/stm32_dma.c:930:17: error: 'dmachan' redeclared as
different kind of symbol
DMA_CHANNEL dmachan = (DMA_CHANNEL)handle;
^~~~~~~
chip/stm32_dma.c:928:44: note: previous definition of 'dmachan'
was here
static void stm32_mdma_disable(DMA_CHANNEL dmachan)
^~~~~~~
chip/stm32_dma.c:930:43: error: 'handle' undeclared (first use
in this function); did you mean 'random'?
DMA_CHANNEL dmachan = (DMA_CHANNEL)handle;
^~~~~~
random
For example Windows RNDIS driver issues SETUP requests that are 76 bytes
long. Previously NuttX would read them all, but only if they arrive at
the same time. If host transfer scheduling causes a pause between the
two DATA packets, stm32_ep0out_receive() would proceed with an incomplete
transfer. The rest of the data could either be skipped by the error handler
branch, or be left in NAK state forever, stopping any further communication
on the endpoint.
This commit changes it so that the whole transfer has to be received before
SETUP handler is called. Depending on CONFIG_USBDEV_SETUP_MAXDATASIZE any
excess bytes will be discarded, but doing this in a controlled way ensures
deterministic behavior. In the specific case of RNDIS, the trailing bytes
are unused padding bytes and can be safely discarded.
arch/arm/src/stm32/Kconfig:
* configs ARCH_CHIP_STM32G431K, ARCH_CHIP_STM32G431C,
ARCH_CHIP_STM32G431R, ARCH_CHIP_STM32G431M, and
ARCH_CHIP_STM32G431V: Fix copy/paste of incorrect
names shown in the Kconfig menu.
nxstyle is complaining that the headers are defines outside
Included Files section and we have to duplicate the definitions
to the imported files to avoid build errors.
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
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Since the original stm32l4 version of this code already has an ASF
license header do that for stm32l5, too.
Apply latest changes to stm32l4_spi.c to stm32l5_spi.c as well.
Update stm32l5/Kconfig to allow selection of SPI1/2/3.
Signed-off-by: Michael Jung <mijung@gmx.net>
The LSE crystal oscillator driving strength can only be decreased to the
lower drive capability (LSEDRV = 00b) once the LSE is running, but not
to any other drive capability. Instead of letting the user select a
value between 0 and 3 and then failing the build if the selected value
was not 0, make it a boolean option.
Signed-off-by: Michael Jung <mijung@gmx.net>
Ported from stm32f7/h7: If configured this way, ramp-up the LSE crystal
oscillator driving strength until the LSE starts up.
Signed-off-by: Michael Jung <mijung@gmx.net>
Because a thread of gnss receiver is created by pthread in the
AppBringUp task, the thread would be killed when AppBringUp
task exits.
Change to use kthread_create instead of pthread_create to prevent
this issue.
cxd56_gnss.c uses file descriptor operation from next change.
0536953 Kernel module should prefer functions with nx/kmm prefix
But this change need to add fcntl.h in include header.
So, add missing header.
As proposed by David Sidrane. Required drive strength is board specific
and should be defined in the respective board.h file.
Signed-off-by: Michael Jung <mijung@gmx.net>
Architecture support for STMicroelectronics STM32L552xx and STM32L562xx
MCUs. This is based on corresponding code for STM32L4, but has been
considerably adjusted. Tested with Nucleo-L552ZE-Q and STM32L562E-DK
boards with simple NSH configurations.
Signed-off-by: Michael Jung <mijung@gmx.net>
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Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
mmcsd:Remove CONFIG_ARCH_HAVE_SDIO_DELAYED_INVLDT
stm32h7:sdmmc remove CONFIG_ARCH_HAVE_SDIO_DELAYED_INVLDT
stm32f7:sdmmc remove CONFIG_ARCH_HAVE_SDIO_DELAYED_INVLDT
stm32f7:sdmmc WRITE COMPLETE prevent false triggers
stm32h7:sdmmc WRITE COMPLETE prevent false triggers
While testing PR #2989 on the H7 I noticed that the cards
were staying in 1-bit mode. The root cause was that the
scr read path was using DMA without an invlidate.
This was caused by CONFIG_ARCH_HAVE_SDIO_DELAYED_INVLDT,
but the sdmmc driver, did not use the delayed invalidate
nor would it work on 8 bytes.
The driver fully supported dcache mgt on runt buffers, but
the #ifdef CONFIG_ARCH_HAVE_SDIO_DELAYED_INVLDT blocked it.
Reviewing the PR that added CONFIG_ARCH_HAVE_SDIO_DELAYED_INVLDT
it may have been valid at the time. But after the dcache operations
we fixed. It is not necessary and offers no benefit.
Summary:
- This commit fixes an error message in imx_enet.c
Impact:
- None
Testing:
- Build only
Suggested-by: David Sidrane <David.Sidrane@NscDg.com>
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Summary:
- This commit adds CPU activity LED feature to cxd56_idle.c and cx56_irq.c
- An LED for the current CPU will turn off before calling WFI
- An LED for the current CPU will turn on when an interrupt happens
Impact:
- CONFIG_ARCH_LEDS_CPU_ACTIVITY=y only
Testing:
- defconfigs will be commited later.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Summary:
- The original commit was added to avoid hardfault but the
root cause was the stack corruption which has been fixed by
the previous commit. So let me revert the original commit.
Impact:
- SMP only
Testing:
- spresense:rndis_smp with nxplayer + telnet
This reverts commit 197187d826.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Summary:
- This commit fixes hardfault when running nxplayer with rndis_smp
Impact:
- SMP only
Testing:
- Tested with rndis_smp
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
In scenarios where there is suspicion that someone might be touching your data when you don't expect, you can setup a watchpoint, and then guard accesses that you know are valid. If the debugger halts due to the watchpoint, you'll see where the unexpected access is coming from.
Implement si_send/sendto/recvfrom with si_sendmsg/recvmsg, instead of
the other way round.
Change-Id: I7b858556996e0862df22807a6edf6d7cfe6518fc
Signed-off-by: Peter Bee <bijunda1@xiaomi.com>
Bug description:
CONFIG_SMP=y
Suppose we have 2 cores in SMP, here is the ps return:
PID GROUP CPU PRI POLICY TYPE NPX STATE STACK USED FILLED COMMAND
0 0 0 0 FIFO Kthread N-- Assigned 004076 000748 18.3% CPU0 IDLE
1 0 1 0 FIFO Kthread N-- Running 004096 000540 13.1% CPU1 IDLE
nsh> kill -4 0
or:
nsh> kill -4 1
system blocked.
Reason:
In func xx_sigdeliver() restore stage, when saved_irqcount == 0, that means
rtcb NOT in critical_section before switch to xx_sigdeliver(), then we need
reset the critical_section state before swith back.
Fix:
Add condition to cover saved_irqcount == 0.
Change-Id: I4af7f95e47f6d78a4094c3757d39b01ac9d533b3
Signed-off-by: ligd <liguiding1@xiaomi.com>
This Knob will cycle through the values from
low to high. To avoid damaging the crystal.
We want to use the lowest setting that gets
the OSC running. See app note AN2867
This Knob will cycle through the correct*
values from low to high. To avoid damaging
the crystal. We want to use the lowest setting
that gets the OSC running. See app note AN2867
*It will take into account the rev of the silicon
and use the correct code points to achive the drive
strength. See Eratta ES0392 Rev 7 2.2.14 LSE oscillator
driving capability selection bits are swapped.
With TrustZone support in armv8-m the bit-fields in EXC_RETURN have been
extended. Bit 6 ('S') now specifies whether the interrupted program was
running in the Non-Secure (S=0) or Secure (S=1) security state.
Furthermore, Bit 0 ('ES' - Exception Secure) specifies the
security state athe exception is taken to (0: Non-Secure, 1: Secure).
When NuttX is run together with TrustedFirmware-M as the application in
the non-secure world both the S and the ES bits have to be set to '0'.
For armv8-m those are also the correct values if TrustZone is not
implemented on the respective MCU or if it is disabled.
Signed-off-by: Michael Jung <mijung@gmx.net>
Summary:
- This commit applies armv7-m signal handling logic
Impact:
- armv6-m signal handling
Testing:
- Tested with ostest with the following configs
- raspberrypi-pico:nsh, raspberrypi-pico:smp
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Summary:
- This commit adds 'select ARM_HAVE_WFE_SEV' to ARCH_CHIP_RP2040
- Now NuttX spinlock uses WFE/SEV to reduce power consumption
- Also, modify a comment on rp2040
Impact:
- rp2040 only
Testing:
- Tested with raspberrypi-pico:smp
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Summary:
- In the previous implementation, the build system stops if
PICO_SDK_PATH is not set.
- However, this behavior is not good for CI. Because the path
is only used to generate a flash image.
- This commit fixes this issue
Impact:
- rp2040 only
Testing:
- Tested with and without PICO_SDK_PATH
This change reflects that the geometry isn't related to the largest
allocatable unit on the platform.
Calls to read and write block devices are also affected and have
been updated.
Check if all messages were transferred, if not, return -ENXIO.
This is particularly useful when the slave returns an unexpected NAK,
the application code should catch the error to avoid failing silently.
Summary:
- This commit introduces driver-specific spinlock in cxd56_serial.c
to improve performance
Impact:
- SMP only
Testing:
- Tested with spresense:wifi and spresense:wifi_smp
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Summary:
- This commit changes spinlock APIs (spin_lock_irqsave/spin_unlock_irqrestore)
- In the previous implementation, the global spinlock (i.e. g_irq_spin) was used.
- This commit allows to use caller specific spinlock but also supports to use
g_irq_spin for backword compatibility (In this case, NULL must be specified)
Impact:
- None
Testing:
- Tested with the following configurations
- spresnse:wifi, spresense:wifi_smp
- esp32-devkitc:smp (QEMU), sabre6-quad:smp (QEMU)
- maxi-bit:smp (QEMU), sim:smp
- stm32f4discovery:wifi
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Summary:
- This commit fixes style warnings under max32660
- Also fix compile errors in max32660_gpio.c with CONFIG_DEBUG_GPIO_INFO=y
Impact:
- None
Testing:
- Built with max32660-evsys:nsh
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Summary:
- In the previous imxrt_enet.c, imxrt_enet.c assumed that
CONFIG_NET_ETH_PKTSIZE includes the ethernet CRC (4bytes)
- However, most of the driver implementation explicitly
add CONFIG_NET_GUARDSIZE for the CRC to the internal buffer
- This commit conforms to such rules
Imapct:
- No impact
Testing:
- Tested with iperf with imxrt1060-evk
- NOTE: need to add the following configs
+CONFIG_EXAMPLES_IPERF=y
+CONFIG_EXAMPLES_IPERFTEST_DEVNAME="eth0"
+CONFIG_IOB_NBUFFERS=128
+CONFIG_NET_ETH_PKTSIZE=1514
+CONFIG_NET_GUARDSIZE=4
+CONFIG_RR_INTERVAL=200
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Port C was not working because the GPIO pin count was
wrong. The 48 pin packages has 34 GPIO (Not counting PH0 & PH1)
It is GPIOA GPIO B (sans PB11) and GPIOC PC13-PC15
The calls via RTC API weren't fast enough for the edge case
of minimum counter value, resulting in the timer never
expiring as the counter had already passed the compare value.
This now uses direct register access functions and also
gets the latest counter value in edge case.
The MCAN driver private structure has been renamed to struct sam_mcan_s,
but some functions reference sam_can_s. There are missing defines
of return variable in some functions.
Signed-off-by: Pavel Pisa <ppisa@pikron.com>
