Changes in kernel/arch/amd64/src/context.S [1dbfe98:a1f60f3] in mainline
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kernel/arch/amd64/src/context.S
r1dbfe98 ra1f60f3 41 41 context_save_arch: 42 42 movq (%rsp), %rdx # the caller's return %eip 43 44 # In %edi is passed 1st argument45 CONTEXT_SAVE_ARCH_CORE %rdi %rdx46 43 47 xorq %rax,%rax # context_save returns 1 44 # 1st argument passed in %edi 45 CONTEXT_SAVE_ARCH_CORE %rdi %rdx 46 47 xorq %rax, %rax # context_save returns 1 48 48 incq %rax 49 49 ret … … 55 55 # pointed by the 1st argument. Returns 0 in EAX. 56 56 # 57 context_restore_arch: 58 57 context_restore_arch: 59 58 CONTEXT_RESTORE_ARCH_CORE %rdi %rdx 60 61 movq %rdx, (%rsp)62 63 xorq %rax, %rax# context_restore returns 059 60 movq %rdx, (%rsp) 61 62 xorq %rax, %rax # context_restore returns 0 64 63 ret
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