Added sendnb and senda, removed echo and _ipcnew.s.
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@ -7,7 +7,6 @@ LIBRARIES=libc
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libc_FILES=" \
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libc_FILES=" \
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__sigreturn.s \
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__sigreturn.s \
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_ipc.s \
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_ipc.s \
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_ipcnew.s \
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brksize.s"
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brksize.s"
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STARTFILES="\
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STARTFILES="\
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@ -1,23 +1,24 @@
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.sect .text; .sect .rom; .sect .data; .sect .bss
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.sect .text; .sect .rom; .sect .data; .sect .bss
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.define __echo, __notify, __send, __receive, __sendrec
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.define __notify, __send, __senda, __sendnb, __receive, __sendrec
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! See src/kernel/ipc.h for C definitions
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! See src/kernel/ipc.h for C definitions
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SEND = 1
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SEND = 1
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RECEIVE = 2
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RECEIVE = 2
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SENDREC = 3
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SENDREC = 3
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NOTIFY = 4
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NOTIFY = 4
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ECHO = 8
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SENDNB = 5
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SENDA = 16
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SYSVEC = 33 ! trap to kernel
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SYSVEC = 33 ! trap to kernel
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SRC_DST = 8 ! source/ destination process
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SRC_DST = 8 ! source/ destination process
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ECHO_MESS = 8 ! echo doesn't have SRC_DST
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MSGTAB = 8 ! message table
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MESSAGE = 12 ! message pointer
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MESSAGE = 12 ! message pointer
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TABCOUNT = 12 ! number of entries in message table
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!*========================================================================*
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!*========================================================================*
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! IPC assembly routines *
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! IPC assembly routines *
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!*========================================================================*
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!*========================================================================*
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! all message passing routines save ebp, but destroy eax and ecx.
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! all message passing routines save ebp, but destroy eax and ecx.
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.define __echo, __notify, __send, __receive, __sendrec
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.sect .text
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.sect .text
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__send:
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__send:
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push ebp
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push ebp
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@ -66,14 +67,26 @@ __notify:
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pop ebp
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pop ebp
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ret
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ret
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__echo:
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__sendnb:
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push ebp
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push ebp
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mov ebp, esp
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mov ebp, esp
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push ebx
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push ebx
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mov ebx, ECHO_MESS(ebp) ! ebx = message pointer
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mov eax, SRC_DST(ebp) ! eax = dest-src
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mov ecx, ECHO ! _echo(srcdest, ptr)
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mov ebx, MESSAGE(ebp) ! ebx = message pointer
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mov ecx, SENDNB ! _sendnb(dest, ptr)
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int SYSVEC ! trap to the kernel
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int SYSVEC ! trap to the kernel
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pop ebx
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pop ebx
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pop ebp
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pop ebp
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ret
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ret
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__senda:
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push ebp
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mov ebp, esp
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push ebx
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mov eax, TABCOUNT(ebp) ! eax = count
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mov ebx, MSGTAB(ebp) ! ebx = table
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mov ecx, SENDA ! _senda(table, count)
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int SYSVEC ! trap to the kernel
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pop ebx
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pop ebp
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ret
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@ -1,75 +0,0 @@
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.sect .text; .sect .rom; .sect .data; .sect .bss
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.define __ipc_request, __ipc_reply, __ipc_notify, __ipc_receive
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! See src/kernel/ipc.h for C definitions.
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IPC_REQUEST = 16 ! each gets a distinct bit
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IPC_REPLY = 32
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IPC_NOTIFY = 64
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IPC_RECEIVE = 128
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SYSVEC = 33 ! trap to kernel
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! Offsets of arguments relative to stack pointer.
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SRC_DST = 8 ! source/ destination process
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SEND_MSG = 12 ! message pointer for sending
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EVENT_SET = 12 ! notification event set
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RECV_MSG = 16 ! message pointer for receiving
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!*========================================================================*
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! IPC assembly routines *
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!*========================================================================*
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! all message passing routines save ebp, but destroy eax, ecx, and edx.
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.define __ipc_request, __ipc_reply, __ipc_notify, __ipc_receive
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.sect .text
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__ipc_request:
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push ebp
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mov ebp, esp
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push ebx
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mov eax, SRC_DST(ebp) ! eax = destination
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mov ebx, SEND_MSG(ebp) ! ebx = message pointer
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mov ecx, IPC_REQUEST ! _ipc_request(dst, ptr)
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int SYSVEC ! trap to the kernel
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pop ebx
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pop ebp
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ret
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__ipc_reply:
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push ebp
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mov ebp, esp
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push ebx
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mov eax, SRC_DST(ebp) ! eax = destination
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mov ebx, SEND_MSG(ebp) ! ebx = message pointer
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mov ecx, IPC_REPLY ! _ipc_reply(dst, ptr)
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int SYSVEC ! trap to the kernel
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pop ebx
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pop ebp
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ret
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__ipc_receive:
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push ebp
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mov ebp, esp
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push ebx
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mov eax, SRC_DST(ebp) ! eax = source
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mov edx, EVENT_SET(ebp) ! ebx = event set
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mov ebx, RCV_MSG(ebp) ! ebx = message pointer
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mov ecx, IPC_RECEIVE ! _ipc_receive(src, events, ptr)
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int SYSVEC ! trap to the kernel
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pop ebx
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pop ebp
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ret
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__ipc_notify:
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push ebp
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mov ebp, esp
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push ebx
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mov eax, SRC_DST(ebp) ! ebx = destination
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mov edx, EVENT_SET(ebp) ! edx = event set
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mov ecx, IPC_NOTIFY ! _ipc_notify(dst, events)
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int SYSVEC ! trap to the kernel
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pop ebx
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pop ebp
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ret
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