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@@ -55,8 +55,33 @@ NEVER_INLINE void syscall_asm_entry_dummy()
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asm(
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asm(
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".globl syscall_asm_entry\n"
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".globl syscall_asm_entry\n"
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"syscall_asm_entry:\n"
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"syscall_asm_entry:\n"
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- " cli\n"
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- " hlt\n");
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+ " pushq $0x0\n"
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+ " pushq %r15\n"
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+ " pushq %r14\n"
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+ " pushq %r13\n"
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+ " pushq %r12\n"
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+ " pushq %r11\n"
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+ " pushq %r10\n"
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+ " pushq %r9\n"
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+ " pushq %r8\n"
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+ " pushq %rax\n"
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+ " pushq %rcx\n"
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+ " pushq %rdx\n"
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+ " pushq %rbx\n"
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+ " pushq %rsp\n"
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+ " pushq %rbp\n"
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+ " pushq %rsi\n"
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+ " pushq %rdi\n"
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+ " pushq %rsp \n" /* set TrapFrame::regs */
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+ " subq $" __STRINGIFY(TRAP_FRAME_SIZE - 8) ", %rsp \n"
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+ " subq $0x8, %rsp\n" /* align stack */
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+ " lea 0x8(%rsp), %rdi \n"
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+ " cld\n"
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+ " call enter_trap_no_irq \n"
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+ " lea 0x8(%rsp), %rdi \n"
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+ " call syscall_handler\n"
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+ " addq $0x8, %rsp\n" /* undo alignment */
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+ " jmp common_trap_exit \n");
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#endif
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#endif
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// clang-format on
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// clang-format on
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}
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}
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