move initial RSP for AP cores below regs area.
otherwise IDLE thread for AP cores can be corrupted
XCP region now match regs allocation in up_initial_state()
Signed-off-by: p-szafonimateusz <p-szafonimateusz@xiaomi.com>
As the handling of sp_el0 was moved from the context switch routine
to exception entry/exit, we must set sp_el0 explicitly when the user
process is first started.
Summary
The original implement for exception handler is very simple and
haven't framework for breakpoint/watchpoint routine or brk instruction.
I refine the fatal handler and add framework for debug handler to
register or unregister. this is a prepare for watchpoint/breakpoint
implement
Signed-off-by: qinwei1 <qinwei1@xiaomi.com>
CXX: libcxxmini/libxx_new.cxx "/home/guoshichao/work_profile/vela_os/vela_qemu_1/nuttx/include/arch/armv7-m/irq.h", line 594: error #3422:
use of the "register" storage class specifier is not allowed
register uint32_t sp;
^
"/home/guoshichao/work_profile/vela_os/vela_qemu_1/nuttx/include/arch/armv7-m/irq.h", line 594: error #3422:
use of the "register" storage class specifier is not allowed
register uint32_t sp;
^
"/home/guoshichao/work_profile/vela_os/vela_qemu_1/nuttx/include/arch/armv7-m/irq.h", line 594: error #3422:
use of the "register" storage class specifier is not allowed
register uint32_t sp;
^
make[1]: *** [Makefile:69: libxx_delete_sized.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make[1]: *** [Makefile:69: libxx_deletea_sized.o] Error 1
make[1]: *** [Makefile:69: libxx_new.o] Error 1
"/home/guoshichao/work_profile/vela_os/vela_qemu_1/nuttx/include/arch/armv7-m/irq.h", line 594: error #3422:
use of the "register" storage class specifier is not allowed
register uint32_t sp;
^
"/home/guoshichao/work_profile/vela_os/vela_qemu_1/nuttx/include/arch/armv7-m/irq.h", line 594: error #3422:
use of the "register" storage class specifier is not allowed
register uint32_t sp;
^
Signed-off-by: guoshichao <guoshichao@xiaomi.com>
reason:
by doing this we can reduce context switch time,
When we exit from an interrupt handler, we directly use tcb->xcp.regs
before
text data bss dec hex filename
178368 876 130604 309848 4ba58 nuttx
after
text data bss dec hex filename
178120 876 130212 309208 4b7d8 nuttx
szie change -248
Signed-off-by: hujun5 <hujun5@xiaomi.com>
for the citimon stats:
thread 0: thread 1:
enter_critical (t0)
up_switch_context
note suspend thread0 (t1)
thread running
IRQ happen, in ISR:
post thread0
up_switch_context
note resume thread0 (t2)
ISR continue f1
ISR continue f2
...
ISR continue fn
leave_critical (t3)
You will see, the thread 0, critical_section time is:
(t1 - t0) + (t3 - t2)
BUT, this result contains f1 f2 .. fn time spent, it is wrong
to tell user thead0 hold the critical lots of time but actually
not belong to it.
Resolve:
change the nxsched_suspend/resume_scheduler to real hanppends
Signed-off-by: ligd <liguiding1@xiaomi.com>
Register: smp
Register: nsh
Register: sh
Register: getprime
Register: ostest
Espressif HAL for 3rd Party Platforms: b4c723a119344b4b71d69819019d55637fb570fd
common/xtensa_cpupause.c: In function 'xtensa_pause_handler':
common/xtensa_cpupause.c:240:3: warning: implicit declaration of function 'xtensa_savestate'; did you mean 'xtensa_setps'? [-Wimplicit-function-declaration]
240 | xtensa_savestate(tcb->xcp.regs);
| ^~~~~~~~~~~~~~~~
| xtensa_setps
common/xtensa_cpupause.c:243:3: warning: implicit declaration of function 'xtensa_restorestate'; did you mean 'xtensa_context_restore'? [-Wimplicit-function-declaration]
243 | xtensa_restorestate(tcb->xcp.regs);
| ^~~~~~~~~~~~~~~~~~~
| xtensa_context_restore
Signed-off-by: hujun5 <hujun5@xiaomi.com>
/vela/nuttx/drivers/pci/pci_ecam.c:432:(.text.pci_ecam_get_irq+0x16): undefined reference to `up_get_legacy_irq'
Signed-off-by: Yongrong Wang <wangyongrong@xiaomi.com>
pci/pci.c:1128:15: warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'uint32_t' {aka 'long unsigned int'} [-Wformat=]
1128 | pciinfo("Limit MME to %x, num to %d\n", mmc, num);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~
| |
| uint32_t {aka long unsigned int}
pci/pci.c:1128:30: note: format string is defined here
1128 | pciinfo("Limit MME to %x, num to %d\n", mmc, num);
| ~^
| |
| unsigned int
| %lx
Signed-off-by: Yongrong Wang <wangyongrong@xiaomi.com>
pci/pci_qemu_test.c:218:6: warning: ‘ops’ may be used uninitialized [-Wmaybe-uninitialized]
218 | ops->write(dev->bus, &hdr->test, num, sizeof(num));
| ~~~^~~~~~~
pci/pci_qemu_test.c: In function ‘pci_qemu_test_probe’:
pci/pci_qemu_test.c:286:41: note: ‘ops’ was declared here
286 | FAR const struct pci_qemu_test_ops_s *ops;
|
Signed-off-by: p-szafonimateusz <p-szafonimateusz@xiaomi.com>
pci/pci.c:415:34: warning: variable ‘res’ set but not used [-Wunused-but-set-variable]
415 | FAR struct pci_resource_s *res;
| ^~~
pci/pci.c: In function ‘pci_scan_bus’:
pci/pci.c:663:32: warning: unused variable ‘ctrl’ [-Wunused-variable]
663 | FAR struct pci_controller_s *ctrl = bus->ctrl;
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
Should init the priv->wait before rpmsg_register_callback() because
rpmsgfs_ns_bound() may has been called before rpmsg_register_callback()
returned.
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
Because the rpmsg_virtio will assert when endpoint callback return
error, so add more error log to the rpmsgfs server to help to locate
the root cause.
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
Summary:
1.Add configuration to allocate memory from the specified section
2.Replace all memory operations (kmm_) in the vfs with
fs_heap_. When FS_HEAPSIZE > 0, memory is requested for the file system by specifying a configured heap location. By default (i.e. FS_HEAPSIZE=0) fs_heap_ is equivalent to kmm_
Signed-off-by: chenrun1 <chenrun1@xiaomi.com>
Summary:
Implementation in accept4 is special, the requested newsock is saved as filep->priv. This will cause sock_file_close to use fs_heap_free filep->priv during close. When fs_heap is configured, the released memory will not be on fs_heap, causing a crash.
Signed-off-by: chenrun1 <chenrun1@xiaomi.com>
The FIOC_FILEPATH ioctl call is required if smartfs is to be used
together with inotify monitoring system. This implements the
call support to smartfs file system. The path to the file has to
be stored in smartfs_ofile_s structure during file open (and is freed
during close) as smartfs currently is not able to obtain the path
knowing only the file node. The full path is concatenated with the file
name and creates the full path needed for inotify to detect whether
the file is on the watchlist.
Signed-off-by: Michal Lenc <michallenc@seznam.cz>
Summary:
When restoring rammap fpos, we check the return value to avoid potential problems caused by no error return if the restore fails.
Signed-off-by: chenrun1 <chenrun1@xiaomi.com>
reason:
1 To improve efficiency, we mimic Linux's behavior where preemption disabling is only applicable to the current CPU and does not affect other CPUs.
2 In the future, we will implement "spinlock+sched_lock", and use it extensively. Under such circumstances, if preemption is still globally disabled, it will seriously impact the scheduling efficiency.
3 We have removed g_cpu_lockset and used irqcount in order to eliminate the dependency of schedlock on critical sections in the future, simplify the logic, and further enhance the performance of sched_lock.
4 We set lockcount to 1 in order to lock scheduling on all CPUs during startup, without the need to provide additional functions to disable scheduling on other CPUs.
5 Cpu1~n must wait for cpu0 to enter the idle state before enabling scheduling because it prevents CPUs1~n from competing with cpu0 for the memory manager mutex, which could cause the cpu0 idle task to enter a wait state and trigger an assert.
size nuttx
before:
text data bss dec hex filename
265396 51057 63646 380099 5ccc3 nuttx
after:
text data bss dec hex filename
265184 51057 63642 379883 5cbeb nuttx
size -216
Configuring NuttX and compile:
$ ./tools/configure.sh -l qemu-armv8a:nsh_smp
$ make
Running with qemu
$ qemu-system-aarch64 -cpu cortex-a53 -smp 4 -nographic \
-machine virt,virtualization=on,gic-version=3 \
-net none -chardev stdio,id=con,mux=on -serial chardev:con \
-mon chardev=con,mode=readline -kernel ./nuttx
Signed-off-by: hujun5 <hujun5@xiaomi.com>
