105 lines
1.4 KiB
Plaintext
105 lines
1.4 KiB
Plaintext
; 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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;
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; SHUTDOWN syscall
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;
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; End virtual machine
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;
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Sys.Shutdown := 0x00
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;
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; EXIT syscall
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;
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; Return to COMMAND.COM
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;
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Sys.Exit := 0x01
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;
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; EXEC syscall
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;
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; IN
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; ax0 = new RIP to load
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; ax1 = frame ID to switch to
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;
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; New frame ID must be higher than current
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; frame ID, and cannot be below 5
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;
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; New CR1 is set so that new RIP corresponds to 1MB
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;
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Sys.ExecuteInFrame := 0x02
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; FIND syscalls
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;
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; Find file on disk
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;
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; IN
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; ax0 = address of name buffer
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; ax1 = size of name buffer
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;
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; OUT
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; rax = # of bytes written in name buffer
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; rdx = size of file
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;
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;
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Sys.FindFirst := 0x20
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Sys.FindNext := 0x21
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;
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; OPEN syscall
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;
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; IN
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; ax0 = name string
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;
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; OUT
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; rax = handle of file, or <0 if couldn't open
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;
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Sys.OpenFile := 0x30
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;
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; CREATE syscall
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;
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; IN
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; ax0 = name string
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;
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; OUT
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; rax = 0 on success, or <0 if couldn't open
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;
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Sys.CreateFile := 0x31
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;
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; REMOVE syscall
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;
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; IN
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; ax0 = name string
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;
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; OUT
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; rax = 0 on success, or <0 if couldn't open
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;
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Sys.RemoveFile := 0x32
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;
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; CLOSE syscall
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;
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; IN
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; ax0 = file handle
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;
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Sys.CloseFile := 0x35
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;
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; READ syscall
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;
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; IN
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; ax0 = file handle
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; ax1 = buffer address
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; ax2 = buffer size
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;
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; OUT
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; rax = number of bytes read, <0 on error
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;
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Sys.ReadFile := 0x38
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; Halt mode
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Sys.EnterHaltMode := 0x999
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