mirror of
https://gitlab.os-k.eu/os-k-team/kvisc.git
synced 2023-08-25 14:05:46 +02:00
43 lines
605 B
Plaintext
43 lines
605 B
Plaintext
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; The OS/K Team licenses this file to you under the MIT license.
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; See the LICENSE file in the project root for more information.
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TRAP0_STACK := 0x300000
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trap0_handler:
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.init:
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mov rax, .impl
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mov rbp, TRAP0_STACK
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jmp TrapHandlers.prolog
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.impl:
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mov ax0, r12
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call RFS.LoadArgs
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b.z ax0, Sys.HLT, .handle_HLT
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b.z ax0, Sys.DIR, .handle_DIR
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.fini:
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jmp TrapHandlers.epilog
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;
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; Syscall implementations
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;
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.handle_DIR:
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call CMD.builtins.dir
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jmp .fini
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.handle_HLT:
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hlt
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.HLT.loop:
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xpause
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scan rax
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b.z rax, 0, .HLT.loop
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prn rax
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jmp .HLT.loop
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