Changeset 1433ecda in mainline for kernel/arch/arm32/src/userspace.c
- Timestamp:
- 2018-04-04T15:42:37Z (7 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 2c4e1cc
- Parents:
- 47b2d7e3
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
kernel/arch/arm32/src/userspace.c
r47b2d7e3 r1433ecda 104 104 /* set user mode, set registers, jump */ 105 105 asm volatile ( 106 107 108 109 110 111 112 106 "mov sp, %[ustate]\n" 107 "msr spsr_c, %[user_mode]\n" 108 "ldmfd sp, {r0-r12, sp, lr}^\n" 109 "nop\n" /* Cannot access sp immediately after ldm(2) */ 110 "add sp, sp, #(15*4)\n" 111 "ldmfd sp!, {pc}^\n" 112 :: [ustate] "r" (&ustate), [user_mode] "r" (user_mode) 113 113 ); 114 114 115 115 /* unreachable */ 116 while (1)116 while (1) 117 117 ; 118 118 }
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