Library progress
This commit is contained in:
Jorrit Herder
parent
021e3234d8
commit
453beb04ad
6 changed files with 96 additions and 29 deletions
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@ -7,6 +7,7 @@ LIBRARIES=libc
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libc_FILES=" \
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__sigreturn.s \
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_ipc.s \
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_ipcnew.s \
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brksize.s"
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STARTFILES="\
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@ -1,5 +1,5 @@
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.sect .text; .sect .rom; .sect .data; .sect .bss
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.define __echo, __notify, __send, __nb_send, __receive, __nb_receive, __sendrec
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.define __echo, __notify, __send, __receive, __sendrec
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! See src/kernel/ipc.h for C definitions
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SEND = 1
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@ -7,19 +7,17 @@ RECEIVE = 2
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SENDREC = 3
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NOTIFY = 4
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ECHO = 8
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NB_SEND = 1 + 16 ! flags 0x10 to prevent blocking
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NB_RECEIVE = 2 + 16 ! flags 0x10 to prevent blocking
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SYSVEC = 33 ! trap to kernel
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SRC_DST = 8 ! source/ destination process
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ECHO_MESS = 8 ! doesn't have SRC_DST
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ECHO_MESS = 8 ! echo doesn't have SRC_DST
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MESSAGE = 12 ! message pointer
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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 and ecx.
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.define __echo, __notify, __send, __nb_send, __receive, __nb_receive, __sendrec
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.define __echo, __notify, __send, __receive, __sendrec
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.sect .text
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__send:
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push ebp
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@ -33,18 +31,6 @@ __send:
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pop ebp
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ret
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__nb_send:
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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 = dest-src
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mov ebx, MESSAGE(ebp) ! ebx = message pointer
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mov ecx, NB_SEND ! _nb_send(dest, 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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__receive:
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push ebp
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mov ebp, esp
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@ -57,18 +43,6 @@ __receive:
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pop ebp
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ret
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__nb_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 = dest-src
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mov ebx, MESSAGE(ebp) ! ebx = message pointer
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mov ecx, NB_RECEIVE ! _nb_receive(src, 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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__sendrec:
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push ebp
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mov ebp, esp
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75
lib/i386/rts/_ipcnew.s
Executable file
75
lib/i386/rts/_ipcnew.s
Executable file
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@ -0,0 +1,75 @@
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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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@ -11,6 +11,7 @@ libc_FILES=" \
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_findproc.c \
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_freemem.c \
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_getnpid.c \
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_getsigset.c \
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_getnprocnr.c \
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_getpprocnr.c \
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_getprocnr.c \
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15
lib/other/_getsigset.c
Normal file
15
lib/other/_getsigset.c
Normal file
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@ -0,0 +1,15 @@
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#include <lib.h>
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#define getsigset _getsigset
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#include <unistd.h>
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PUBLIC int getsigset(sp)
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sigset_t *sp; /* where to put it */
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{
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message m;
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m.m2_i1 = SELF; /* request own signal set */
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if (_syscall(PM_PROC_NR, PROCSTAT, &m) < 0) return(-1);
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*sp = m.m2_l1;
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return(0);
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}
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@ -47,6 +47,7 @@ libc_FILES=" \
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getppid.s \
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getpprocnr.s \
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getprocnr.s \
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getsigset.s \
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getsysinfo.s \
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getuid.s \
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ioctl.s \
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