178 lines
6.4 KiB
Plaintext
178 lines
6.4 KiB
Plaintext
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ARM Macro Assembler Page 1
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1 00000000 ;/*
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2 00000000 ; * Copyright (c) 2006-2022, RT-Thread Development Team
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3 00000000 ; *
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4 00000000 ; * SPDX-License-Identifier: Apache-2.0
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5 00000000 ; *
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6 00000000 ; * Change Logs:
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7 00000000 ; * Date Author Notes
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8 00000000 ; * 2019-10-25 tyx first version
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9 00000000 ; */
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10 00000000
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11 00000000 AREA |.text|, CODE, READONLY, ALIGN=
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2
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12 00000000 THUMB
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13 00000000 REQUIRE8
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14 00000000 PRESERVE8
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15 00000000
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16 00000000 IMPORT rt_secure_svc_handle
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17 00000000
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18 00000000 ;/*
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19 00000000 ; * int tzcall(int id, rt_ubase_t arg0, rt_ubase_t arg1,
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rt_ubase_t arg2);
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20 00000000 ; */
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21 00000000 tzcall PROC
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22 00000000 EXPORT tzcall
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23 00000000 DF01 SVC 1 ;call SVC 1
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24 00000002 4770 BX LR
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25 00000004
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26 00000004 ENDP
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27 00000004
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28 00000004 tzcall_entry
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PROC
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29 00000004 B512 PUSH {R1, R4, LR}
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30 00000006 460C MOV R4, R1 ; copy thread SP to
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R4
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31 00000008 CC0F LDMFD R4!, {r0 - r3} ; pop user stack
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, get input arg0, a
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rg1, arg2
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32 0000000A E924 000F STMFD R4!, {r0 - r3} ; push stack, us
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er stack recovery
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33 0000000E F7FF FFFE BL rt_secure_svc_handle ; call fun
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34 00000012 E8BD 4012 POP {R1, R4, LR}
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35 00000016 6008 STR R0, [R1] ; update return val
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ue
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36 00000018 4770 BX LR ; return to thread
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37 0000001A
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38 0000001A ENDP
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39 0000001A
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40 0000001A syscall_entry
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PROC
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41 0000001A 4770 BX LR ; return to user ap
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p
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42 0000001C
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43 0000001C ENDP
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44 0000001C
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45 0000001C ;/*
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46 0000001C ; * void SVC_Handler(void);
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47 0000001C ; */
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48 0000001C SVC_Handler
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ARM Macro Assembler Page 2
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PROC
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49 0000001C EXPORT SVC_Handler
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50 0000001C
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51 0000001C ; get SP, save to R1
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52 0000001C F3EF 8108 MRS R1, MSP ;get fault context
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from handler
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53 00000020 F01E 0F04 TST LR, #0x04 ;if(!EXC_RETURN[2])
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54 00000024 D001 BEQ get_sp_done
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55 00000026 F3EF 8109 MRS R1, PSP ;get fault context
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from thread
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56 0000002A get_sp_done
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57 0000002A
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58 0000002A ; get svc index
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59 0000002A 6988 LDR R0, [R1, #24]
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60 0000002C F810 0C02 LDRB R0, [R0, #-2]
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61 00000030
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62 00000030 ;if svc == 0, do system call
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63 00000030 2800 CMP R0, #0x0
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64 00000032 D0FE BEQ syscall_entry
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65 00000034
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66 00000034 ;if svc == 1, do TrustZone call
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67 00000034 2801 CMP R0, #0x1
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68 00000036 D0FE BEQ tzcall_entry
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69 00000038
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70 00000038 ENDP
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71 00000038
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72 00000038 ALIGN
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73 00000038
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74 00000038 END
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Command Line: --debug --xref --diag_suppress=9931 --cpu=Cortex-M33 --fpu=FPv5-S
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P --depend=.\build\keil\obj\syscall_rvds.d -o.\build\keil\obj\syscall_rvds.o -I
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D:\1_tool_prog\2_MDK\pack\Keil\STM32H5xx_DFP\1.1.0\Drivers\CMSIS\Device\ST\STM3
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2H5xx\Include --predefine="__UVISION_VERSION SETA 536" --predefine="STM32H563xx
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SETA 1" --list=syscall_rvds.lst ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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ARM Macro Assembler Page 1 Alphabetic symbol ordering
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Relocatable symbols
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.text 00000000
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Symbol: .text
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Definitions
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At line 11 in file ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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Uses
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None
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Comment: .text unused
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SVC_Handler 0000001C
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Symbol: SVC_Handler
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Definitions
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At line 48 in file ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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Uses
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At line 49 in file ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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Comment: SVC_Handler used once
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get_sp_done 0000002A
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Symbol: get_sp_done
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Definitions
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At line 56 in file ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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Uses
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At line 54 in file ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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Comment: get_sp_done used once
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syscall_entry 0000001A
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Symbol: syscall_entry
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Definitions
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At line 40 in file ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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Uses
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At line 64 in file ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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Comment: syscall_entry used once
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tzcall 00000000
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Symbol: tzcall
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Definitions
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At line 21 in file ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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Uses
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At line 22 in file ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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Comment: tzcall used once
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tzcall_entry 00000004
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Symbol: tzcall_entry
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Definitions
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At line 28 in file ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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Uses
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At line 68 in file ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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Comment: tzcall_entry used once
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6 symbols
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ARM Macro Assembler Page 1 Alphabetic symbol ordering
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External symbols
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rt_secure_svc_handle 00000000
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Symbol: rt_secure_svc_handle
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Definitions
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At line 16 in file ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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Uses
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At line 33 in file ..\..\..\libcpu\arm\cortex-m33\syscall_rvds.S
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Comment: rt_secure_svc_handle used once
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1 symbol
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340 symbols in table
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