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23 Commits

Author SHA1 Message Date
chao.an
b3d47e246f arch/stack_color: correct the stack top of running task 
This PR to ensure the stack pointer is locate to the stack top

Signed-off-by: chao.an <anchao@xiaomi.com>
 2022-04-14 16:48:19 +08:00
chao.an
ff210e1c2d arch/stack_color: correct the end address of stack color 
The different optimization of compilers will cause ambiguity in
obtaining sp through up_getsp() in arm_stack_color(), if compile
with clang and enable the optimization flag (-Ofast), up_getsp()
call will be earlier than push {r0-r9,lr}, the end address of color
stack will overlap with saved registers.

Compile line:
clang --target=arm-none-eabi -c "-Ofast" -fno-builtin -march=armv8.1-m.main+mve.fp+fp.dp \
-mtune=cortex-m55 -mthumb -mfpu=fpv5-d16 -mfloat-abi=hard -D__NuttX__ -common/arm_checkstack.c -o  arm_checkstack.o

Assembler code:
llvm-objdump -aS arm_checkstack.o
------------------------------------
|00000000 <arm_stack_color>:
|;   start = INT32_ALIGN_UP((uintptr_t)stackbase);
|       0: c2 1c         adds  r2, r0, #3
|       2: 22 f0 03 02   bic r2, r2, #3
|;   end   = nbytes ? INT32_ALIGN_DOWN((uintptr_t)stackbase + nbytes) :
|       6: 19 b1         cbz r1, 0x10 <arm_stack_color+0x10> @ imm = #6
|       8: 08 44         add r0, r1
|       a: 20 f0 03 00   bic r0, r0, #3
|       e: 00 e0         b 0x12 <arm_stack_color+0x12> @ imm = #0
|;   __asm__
|      10: 68 46         mov r0, sp                               <--- fetch the sp before push {r7 lr}
|      12: 80 b5         push  {r7, lr}                           <--- sp changed
|;   nwords = (end - start) >> 2;
|      14: 80 1a         subs  r0, r0, r2
|      16: 80 08         lsrs  r0, r0, #2
|; }
|      18: 08 bf         it  eq
|      1a: 80 bd         popeq {r7, pc}
|      1c: 4b f6 ef 63   movw  r3, #48879
|      20: cd f6 ad 63   movt  r3, #57005
|      24: a0 ee 10 3b   vdup.32 q0, r3
|;   while (nwords-- > 0)
|      28: 20 f0 01 e0   dlstp.32  lr, r0
|;       *ptr++ = STACK_COLOR;                                    <--- overwrite
|      2c: a2 ec 04 1f   vstrw.32  q0, [r2], #16
|      30: 1f f0 05 c0   letp  lr, 0x2c <arm_stack_color+0x2c> @ imm = #-8
|; }
|      34: 80 bd         pop {r7, pc}
------------------------------------

Signed-off-by: chao.an <anchao@xiaomi.com>
 2022-04-13 09:37:54 +08:00
Petro Karashchenko
68902d8732 pid_t: unify usage of special task IDs 
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
 2022-03-22 21:22:32 +08:00
Petro Karashchenko
3fff4508c7 netinitialize: call xxx_netinitialize unconditionally 
The xxx_netinitialize is defined to a function only if
CONFIG_NET=y and CONFIG_NETDEV_LATEINIT=n.  Otherwise it
is defined to an empty macro.

Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
 2022-03-19 17:41:33 +08:00
Petro Karashchenko
20ac85860c config: finalize transition from USER_ENTRYPOINT to INIT_ENTRYPOINT 
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
 2022-03-19 11:32:47 +08:00
Xiang Xiao
b6bc460b2c arch: Make the comment and definition of CONFIG_SYS_RESERVED correctly 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-03-14 22:51:00 +02:00
Xiang Xiao
54e630e14d arch: Merge up_arch.h into up_internal.h 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-03-14 09:32:17 +02:00
Xiang Xiao
c96c96a399 drivers: Merge the common driver initialization into one place 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-03-13 11:24:48 -03:00
Xiang Xiao
f94093bc2e arch/ceva: Move the idle stack initialization to up_initial_state 
to follow other arch's implementation

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-03-13 00:28:05 +02:00
Xiang Xiao
872c570343 arch: Align the implementation of stack related functions 
arm: Avoid call k[u]mm_memalign to save the code size
ceva: Correct stack_base_ptr usage(top of stack v.s. bottom of stack)
mips: Correct the stack alignment in up_use_stack
misoc: Correct the stack alignment in up_use_stack
or1k: Correct the stack alignment in up_use_stack

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-02-28 15:05:41 +08:00
Xiang Xiao
3bf416e8b8 arch: Move STACK_ALIGNMENT definition to up_internal.h 
to avoid the same macro duplicate to many place

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-02-28 15:05:41 +08:00
Xiang Xiao
44bd3212d4 arch: Remove SYS_RESERVED from Kconfg 
let's arch define the correct value instead

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-02-27 22:54:13 +08:00
Xiang Xiao
087b9e5ff3 arch: Move the content from svcall.h to syscall.h 
and remove svcall.h

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-02-27 22:54:13 +08:00
Xiang Xiao
2f24d2c265 arch/ceva: Replace OUTDIR with TOPDIR 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-02-21 09:25:26 +01:00
Xiang Xiao
163fe4ff0b boards: Replace CONFIG_CYGWIN_WINTOOL with CONVERT_PATH 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-02-20 21:15:36 +01:00
Xiang Xiao
69a6072946 arch/ceva: Replace adj_stack_ptr with stack_base_ptr 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-02-17 11:06:09 +09:00
Xiang Xiao
814cab1cd1 arch/ceva: Mark the allocated stack with TCB_FLAG_FREE_STACK 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-02-17 11:06:09 +09:00
Xiang Xiao
f8df491d5d arch/ceva: Update tls handle to the latest mainline 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-02-17 11:06:09 +09:00
Xiang Xiao
4bc5b246ac arch/ceva: Remove B2C and C2B 
since TL420 doesn't support anymore, we
can safely remove the special hack for it

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-02-17 11:06:09 +09:00
Xiang Xiao
17a7d612df arch: Replace nx_vsyslog with vsyslog 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-02-14 09:41:45 -03:00
Xiang Xiao
77792a1598 sched: Define CONFIG_SMP_NCPUS to 1 in no SMP case 
to simplify the SMP related code logic

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-01-20 23:21:21 +08:00
Petro Karashchenko
8d3bf05fd2 include: fix double include pre-processor guards 
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
 2022-01-16 11:11:14 -03:00
ligd
ee916bdb91 CEVA: add ceva platform xc5 xm6 support 
Signed-off-by: ligd <liguiding1@xiaomi.com>
 2022-01-07 09:31:59 -03:00