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-rw-r--r--emu/AIX/asm-power.s108
-rw-r--r--emu/AIX/cmd.c213
-rw-r--r--emu/AIX/deveia.c40
-rw-r--r--emu/AIX/devfs.c7
-rw-r--r--emu/AIX/emu104
-rw-r--r--emu/AIX/emu-g100
-rw-r--r--emu/AIX/mkfile52
-rw-r--r--emu/AIX/mkfile-power0
-rw-r--r--emu/AIX/os.c300
-rw-r--r--emu/AIX/segflush-power.c33
10 files changed, 957 insertions, 0 deletions
diff --git a/emu/AIX/asm-power.s b/emu/AIX/asm-power.s
new file mode 100644
index 00000000..024c058b
--- /dev/null
+++ b/emu/AIX/asm-power.s
@@ -0,0 +1,108 @@
+.set r0,0; .set SP,1; .set RTOC,2; .set r3,3; .set r4,4
+.set r5,5; .set r6,6; .set r7,7; .set r8,8; .set r9,9
+.set r10,10; .set r11,11; .set r12,12; .set r13,13; .set r14,14
+.set r15,15; .set r16,16; .set r17,17; .set r18,18; .set r19,19
+.set r20,20; .set r21,21; .set r22,22; .set r23,23; .set r24,24
+.set r25,25; .set r26,26; .set r27,27; .set r28,28; .set r29,29
+.set r30,30; .set r31,31
+.set fp0,0; .set fp1,1; .set fp2,2; .set fp3,3; .set fp4,4
+.set fp5,5; .set fp6,6; .set fp7,7; .set fp8,8; .set fp9,9
+.set fp10,10; .set fp11,11; .set fp12,12; .set fp13,13; .set fp14,14
+.set fp15,15; .set fp16,16; .set fp17,17; .set fp18,18; .set fp19,19
+.set fp20,20; .set fp21,21; .set fp22,22; .set fp23,23; .set fp24,24
+.set fp25,25; .set fp26,26; .set fp27,27; .set fp28,28; .set fp29,29
+.set fp30,30; .set fp31,31
+.set v0,0; .set v1,1; .set v2,2; .set v3,3; .set v4,4
+.set v5,5; .set v6,6; .set v7,7; .set v8,8; .set v9,9
+.set v10,10; .set v11,11; .set v12,12; .set v13,13; .set v14,14
+.set v15,15; .set v16,16; .set v17,17; .set v18,18; .set v19,19
+.set v20,20; .set v21,21; .set v22,22; .set v23,23; .set v24,24
+.set v25,25; .set v26,26; .set v27,27; .set v28,28; .set v29,29
+.set v30,30; .set v31,31
+.set LR,8; .set CTR,9; .set TID,17; .set DSISR,18; .set DAR,19; .set TO_RTCU,20
+
+.machine "ppc"
+
+ .align 2
+ .globl .FPsave
+.FPsave:
+ stfd fp14,0*8(r3)
+ stfd fp15,1*8(r3)
+ stfd fp16,2*8(r3)
+ stfd fp17,3*8(r3)
+ stfd fp18,4*8(r3)
+ stfd fp19,5*8(r3)
+ stfd fp20,6*8(r3)
+ stfd fp21,7*8(r3)
+ stfd fp22,8*8(r3)
+ stfd fp23,9*8(r3)
+ stfd fp24,10*8(r3)
+ stfd fp25,11*8(r3)
+ stfd fp26,12*8(r3)
+ stfd fp27,13*8(r3)
+ stfd fp28,14*8(r3)
+ stfd fp29,15*8(r3)
+ stfd fp30,16*8(r3)
+ stfd fp31,17*8(r3)
+ blr
+
+ .align 2
+ .globl .FPrestore
+.FPrestore:
+ lfd fp14,0*8(r3)
+ lfd fp15,1*8(r3)
+ lfd fp16,2*8(r3)
+ lfd fp17,3*8(r3)
+ lfd fp18,4*8(r3)
+ lfd fp19,5*8(r3)
+ lfd fp20,6*8(r3)
+ lfd fp21,7*8(r3)
+ lfd fp22,8*8(r3)
+ lfd fp23,9*8(r3)
+ lfd fp24,10*8(r3)
+ lfd fp25,11*8(r3)
+ lfd fp26,12*8(r3)
+ lfd fp27,13*8(r3)
+ lfd fp28,14*8(r3)
+ lfd fp29,15*8(r3)
+ lfd fp30,16*8(r3)
+ lfd fp31,17*8(r3)
+ blr
+
+ .align 2
+ .globl ._tas
+._tas:
+ sync
+ mr r4, r3
+ addi r5,0,0x1
+_tas_1:
+ lwarx r3, 0, r4
+ cmpwi r3, 0
+ bne- _tas_2
+ stwcx. r5, 0, r4
+ bne- _tas_1
+_tas_2:
+ sync
+ blr
+
+ .align 2
+ .globl .executeonnewstack
+.executeonnewstack:
+ mr SP,r3 # change stacks
+ stwu LR,-16(SP) # save lr to aid the traceback
+ li r0,0
+ stw r0,20(SP)
+ mr r3,r5
+ mtctr r4
+ bctrl # tramp(arg)
+ br
+
+ .align 2
+ .globl .unlockandexit
+.unlockandexit:
+ li r0,0x0
+ stw r0,0(r3) # unlock
+ li r0,1 # sys exit; 234 is exit group
+ li r3,0 # exit status
+ sc
+ br
diff --git a/emu/AIX/cmd.c b/emu/AIX/cmd.c
new file mode 100644
index 00000000..ed4cabab
--- /dev/null
+++ b/emu/AIX/cmd.c
@@ -0,0 +1,213 @@
+#include <sys/types.h>
+#include <signal.h>
+#include <pwd.h>
+#include <sys/resource.h>
+#include <sys/wait.h>
+#include <fcntl.h>
+
+#include "dat.h"
+#include "fns.h"
+#include "error.h"
+
+enum
+{
+ Debug = 0
+};
+
+/*
+ * os-specific devcmd support.
+ * this version should be reasonably portable across Unix systems.
+ */
+typedef struct Targ Targ;
+struct Targ
+{
+ int fd[3]; /* fd[0] is standard input, fd[1] is standard output, fd[2] is standard error */
+ char** args;
+ char* dir;
+ int pid;
+ int wfd; /* child writes errors that occur after the fork or on exec */
+ int uid;
+ int gid;
+};
+
+extern int gidnobody;
+extern int uidnobody;
+
+static int
+childproc(Targ *t)
+{
+ int i, nfd;
+
+ if(Debug)
+ print("devcmd: '%s'", t->args[0]);
+
+ nfd = getdtablesize();
+ for(i = 0; i < nfd; i++)
+ if(i != t->fd[0] && i != t->fd[1] && i != t->fd[2] && i != t->wfd)
+ close(i);
+
+ dup2(t->fd[0], 0);
+ dup2(t->fd[1], 1);
+ dup2(t->fd[2], 2);
+ close(t->fd[0]);
+ close(t->fd[1]);
+ close(t->fd[2]);
+
+ /* should have an auth file to do host-specific authorisation? */
+ if(t->gid != -1){
+ if(setgid(t->gid) < 0 && getegid() == 0){
+ fprint(t->wfd, "can't set gid %d: %s", t->gid, strerror(errno));
+ _exit(1);
+ }
+ }
+
+ if(t->uid != -1){
+ if(setuid(t->uid) < 0 && geteuid() == 0){
+ fprint(t->wfd, "can't set uid %d: %s", t->uid, strerror(errno));
+ _exit(1);
+ }
+ }
+
+ if(t->dir != nil && chdir(t->dir) < 0){
+ fprint(t->wfd, "can't chdir to %s: %s", t->dir, strerror(errno));
+ _exit(1);
+ }
+
+ signal(SIGPIPE, SIG_DFL);
+
+ execvp(t->args[0], t->args);
+ if(Debug)
+ print("execvp: %s\n",strerror(errno));
+ fprint(t->wfd, "exec failed: %s", strerror(errno));
+
+ _exit(1);
+}
+
+void*
+oscmd(char **args, int nice, char *dir, int *fd)
+{
+ Targ *t;
+ int r, fd0[2], fd1[2], fd2[2], wfd[2], n, pid;
+
+ t = mallocz(sizeof(*t), 1);
+ if(t == nil)
+ return nil;
+
+ fd0[0] = fd0[1] = -1;
+ fd1[0] = fd1[1] = -1;
+ fd2[0] = fd2[1] = -1;
+ wfd[0] = wfd[1] = -1;
+ if(pipe(fd0) < 0 || pipe(fd1) < 0 || pipe(fd2) < 0 || pipe(wfd) < 0)
+ goto Error;
+ if(fcntl(wfd[1], F_SETFD, FD_CLOEXEC) < 0) /* close on exec to give end of file on success */
+ goto Error;
+
+ t->fd[0] = fd0[0];
+ t->fd[1] = fd1[1];
+ t->fd[2] = fd2[1];
+ t->wfd = wfd[1];
+ t->args = args;
+ t->dir = dir;
+ t->gid = up->env->gid;
+ if(t->gid == -1)
+ t->gid = gidnobody;
+ t->uid = up->env->uid;
+ if(t->uid == -1)
+ t->uid = uidnobody;
+
+ signal(SIGCHLD, SIG_DFL);
+ switch(pid = fork()) {
+ case -1:
+ goto Error;
+ case 0:
+ setpgid(0, getpid());
+ if(nice)
+ oslopri();
+ childproc(t);
+ _exit(1);
+ default:
+ t->pid = pid;
+ if(Debug)
+ print("cmd pid %d\n", t->pid);
+ break;
+ }
+
+ close(fd0[0]);
+ close(fd1[1]);
+ close(fd2[1]);
+ close(wfd[1]);
+
+ n = read(wfd[0], up->genbuf, sizeof(up->genbuf)-1);
+ close(wfd[0]);
+ if(n > 0){
+ close(fd0[1]);
+ close(fd1[0]);
+ close(fd2[0]);
+ free(t);
+ up->genbuf[n] = 0;
+ if(Debug)
+ print("oscmd: bad exec: %q\n", up->genbuf);
+ error(up->genbuf);
+ return nil;
+ }
+
+ fd[0] = fd0[1];
+ fd[1] = fd1[0];
+ fd[2] = fd2[0];
+ return t;
+
+Error:
+ r = errno;
+ if(Debug)
+ print("oscmd: %q\n",strerror(r));
+ close(fd0[0]);
+ close(fd0[1]);
+ close(fd1[0]);
+ close(fd1[1]);
+ close(fd2[0]);
+ close(fd2[1]);
+ close(wfd[0]);
+ close(wfd[1]);
+ error(strerror(r));
+ return nil;
+}
+
+int
+oscmdkill(void *a)
+{
+ Targ *t = a;
+
+ if(Debug)
+ print("kill: %d\n", t->pid);
+ return kill(-t->pid, SIGTERM);
+}
+
+int
+oscmdwait(void *a, char *buf, int n)
+{
+ Targ *t = a;
+ int s;
+
+ if(waitpid(t->pid, &s, 0) == -1){
+ if(Debug)
+ print("wait error: %d [in %d] %q\n", t->pid, getpid(), strerror(errno));
+ return -1;
+ }
+ if(WIFEXITED(s)){
+ if(WEXITSTATUS(s) == 0)
+ return snprint(buf, n, "%d 0 0 0 ''", t->pid);
+ return snprint(buf, n, "%d 0 0 0 'exit: %d'", t->pid, WEXITSTATUS(s));
+ }
+ if(WIFSIGNALED(s)){
+ if(WTERMSIG(s) == SIGTERM || WTERMSIG(s) == SIGKILL)
+ return snprint(buf, n, "%d 0 0 0 killed", t->pid);
+ return snprint(buf, n, "%d 0 0 0 'signal: %d'", t->pid, WTERMSIG(s));
+ }
+ return snprint(buf, n, "%d 0 0 0 'odd status: 0x%x'", t->pid, s);
+}
+
+void
+oscmdfree(void *a)
+{
+ free(a);
+}
diff --git a/emu/AIX/deveia.c b/emu/AIX/deveia.c
new file mode 100644
index 00000000..3e00ca3f
--- /dev/null
+++ b/emu/AIX/deveia.c
@@ -0,0 +1,40 @@
+/*
+ * AIX serial port definitions
+ */
+
+static char *sysdev[] = {
+ "/dev/tty0",
+ "/dev/tty1",
+ "/dev/tty2",
+ "/dev/tty3",
+ "/dev/tty4",
+ "/dev/tty5",
+ "/dev/tty6",
+ "/dev/tty7",
+};
+
+#include <sys/ioctl.h>
+#include "deveia-posix.c"
+#include "deveia-bsd.c"
+
+
+static struct tcdef_t bps[] = {
+ {0, B0},
+ {50, B50},
+ {75, B75},
+ {110, B110},
+ {134, B134},
+ {150, B150},
+ {200, B200},
+ {300, B300},
+ {600, B600},
+ {1200, B1200},
+ {1800, B1800},
+ {2400, B2400},
+ {4800, B4800},
+ {9600, B9600},
+ {19200, B19200},
+ {38400, B38400},
+ {-1, -1}
+};
+
diff --git a/emu/AIX/devfs.c b/emu/AIX/devfs.c
new file mode 100644
index 00000000..194c1090
--- /dev/null
+++ b/emu/AIX/devfs.c
@@ -0,0 +1,7 @@
+#include "devfs-posix.c"
+
+static vlong
+osdisksize(int fd)
+{
+ return 0;
+}
diff --git a/emu/AIX/emu b/emu/AIX/emu
new file mode 100644
index 00000000..43f6e128
--- /dev/null
+++ b/emu/AIX/emu
@@ -0,0 +1,104 @@
+dev
+ root
+ cons
+ env
+ mnt
+ pipe
+ prog
+ prof
+ srv
+ dup
+ ssl
+ cap
+ fs
+ cmd cmd
+ indir
+
+ draw win-x11a
+ pointer
+ snarf
+
+ ip ipif6-posix ipaux
+ eia
+ mem
+
+lib
+ interp
+ tk
+ freetype
+ math
+ draw
+
+ memlayer
+ memdraw
+ keyring
+ sec
+ mp
+
+ 9
+
+link
+
+mod
+ sys
+ draw
+
+ tk
+ math
+ srv srv
+ keyring
+ crypt
+ ipints
+ loader
+ freetype
+
+port
+ alloc
+ cache
+ chan
+ dev
+ devtab
+
+ dial
+ dis
+ discall
+ env
+ error
+ errstr
+ exception
+ exportfs
+ inferno
+ latin1
+ main
+ parse
+ pgrp
+ print
+ proc
+ qio
+ random
+ sysfile
+ uqid
+
+code
+
+init
+ emuinit
+
+root
+ /dev /
+ /fd /
+ /prog /
+ /prof /
+ /net /
+ /net.alt /
+ /chan /
+ /nvfs /
+ /env /
+# /dis
+# /n
+# /icons
+# /osinit.dis
+# /dis/emuinit.dis
+# /dis/lib/auth.dis
+# /dis/lib/ssl.dis
+# /n/local /
diff --git a/emu/AIX/emu-g b/emu/AIX/emu-g
new file mode 100644
index 00000000..41831fa9
--- /dev/null
+++ b/emu/AIX/emu-g
@@ -0,0 +1,100 @@
+env
+ X11LIBS=
+dev
+ root
+ cons
+ env
+ mnt
+ pipe
+ prog
+ prof
+ srv
+ dup
+ ssl
+ cap
+ fs
+ cmd cmd
+ indir
+
+ ip ipif6-posix ipaux
+ eia
+ mem
+
+lib
+ interp
+ math
+ keyring
+ sec
+ mp
+
+ 9
+
+link
+
+mod
+ sys
+ math
+ srv srv
+ keyring
+ crypt
+ ipints
+ loader
+
+port
+ alloc
+ cache
+ chan
+ dev
+ devtab
+
+ dial
+ dis
+ discall
+ env
+ error
+ errstr
+ exception
+ exportfs
+ inferno
+ latin1
+ main
+ parse
+ pgrp
+ print
+ proc
+ qio
+ random
+ sysfile
+ uqid
+
+code
+ void setpointer(int x, int y){USED(x); USED(y);}
+ ulong strtochan(char *s){USED(s); return ~0;}
+
+init
+ emuinit
+
+root
+ /dev /
+ /fd /
+ /prog /
+ /prof /
+ /net /
+ /net.alt /
+ /chan /
+ /nvfs /
+ /env /
+# /chan
+# /dev
+# /dis
+# /env
+# /n
+# /net
+# /nvfs /
+# /prog
+# /icons
+# /osinit.dis
+# /dis/emuinit.dis
+# /dis/lib/auth.dis
+# /dis/lib/ssl.dis
+# /n/local /
diff --git a/emu/AIX/mkfile b/emu/AIX/mkfile
new file mode 100644
index 00000000..2089bd28
--- /dev/null
+++ b/emu/AIX/mkfile
@@ -0,0 +1,52 @@
+SYSTARG=AIX
+<../../mkconfig
+SYSTARG=AIX
+
+#Configurable parameters
+
+CONF=emu #default configuration
+CONFLIST=emu
+CLEANCONFLIST=
+
+INSTALLDIR=$ROOT/$SYSTARG/$OBJTYPE/bin #path of directory where kernel is installed
+
+#end configurable parameters
+
+X11LIBS= -lX11 -lXext
+
+<$ROOT/mkfiles/mkfile-$SYSTARG-$OBJTYPE #set vars based on target system
+
+<| $SHELLNAME ../port/mkdevlist $CONF #sets $IP, $DEVS, $PORT, $LIBS
+<mkfile-$OBJTYPE
+
+OBJ=\
+ asm-$OBJTYPE.$O\
+ $ARCHFILES\
+ os.$O\
+ kproc-pthreads.$O\
+ segflush-$OBJTYPE.$O\
+ $CONF.root.$O\
+ lock.$O\
+ $DEVS\
+ $PORT\
+
+LIBNAMES=${LIBS:%=lib%.a}
+
+HFILES=\
+
+CFLAGS='-DROOT="'$ROOT'"' -DEMU -I. -I../port -I$ROOT/$SYSTARG/$OBJTYPE/include -I$ROOT/include -I$ROOT/libinterp $CTHREADFLAGS $CFLAGS $EMUOPTIONS
+SYSLIBS= $X11LIBS -lm -lpthread
+KERNDATE=`{$NDATE}
+
+default:V: $O.$CONF
+
+$O.$CONF: $OBJ $CONF.c $CONF.root.h $LIBNAMES
+ $CC $CFLAGS '-DKERNDATE='$KERNDATE $CONF.c
+ $LD $LDFLAGS -o $target $OBJ $CONF.$O $LIBFILES $SYSLIBS
+
+install:V: $O.$CONF
+ cp $O.$CONF $INSTALLDIR/$CONF
+
+<../port/portmkfile
+
+devfs.$O: ../port/devfs-posix.c
diff --git a/emu/AIX/mkfile-power b/emu/AIX/mkfile-power
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/emu/AIX/mkfile-power
diff --git a/emu/AIX/os.c b/emu/AIX/os.c
new file mode 100644
index 00000000..83bf0901
--- /dev/null
+++ b/emu/AIX/os.c
@@ -0,0 +1,300 @@
+#include <sys/types.h>
+#include <time.h>
+#include <termios.h>
+#include <signal.h>
+#include <pwd.h>
+#include <sched.h>
+#include <sys/resource.h>
+#include <sys/wait.h>
+#include <sys/time.h>
+
+#include <stdint.h>
+
+#include "dat.h"
+#include "fns.h"
+#include "error.h"
+
+#include <semaphore.h>
+
+#include <raise.h>
+
+enum
+{
+ DELETE = 0x7f,
+ CTRLC = 'C'-'@',
+ NSTACKSPERALLOC = 16,
+ X11STACK= 256*1024
+};
+char *hosttype = "Linux";
+
+typedef sem_t Sem;
+
+extern int dflag;
+
+int gidnobody = -1;
+int uidnobody = -1;
+static struct termios tinit;
+
+static void
+sysfault(char *what, void *addr)
+{
+ char buf[64];
+
+ snprint(buf, sizeof(buf), "sys: %s%#p", what, addr);
+ disfault(nil, buf);
+}
+
+static void
+trapILL(int signo, siginfo_t *si, void *a)
+{
+ USED(signo);
+ USED(a);
+ sysfault("illegal instruction pc=", si->si_addr);
+}
+
+static int
+isnilref(siginfo_t *si)
+{
+ return si != 0 && (si->si_addr == (void*)~(uintptr_t)0 || (uintptr_t)si->si_addr < 512);
+}
+
+static void
+trapmemref(int signo, siginfo_t *si, void *a)
+{
+ USED(a); /* ucontext_t*, could fetch pc in machine-dependent way */
+ if(isnilref(si))
+ disfault(nil, exNilref);
+ else if(signo == SIGBUS)
+ sysfault("bad address addr=", si->si_addr); /* eg, misaligned */
+ else
+ sysfault("segmentation violation addr=", si->si_addr);
+}
+
+static void
+trapFPE(int signo, siginfo_t *si, void *a)
+{
+ char buf[64];
+
+ USED(signo);
+ USED(a);
+ snprint(buf, sizeof(buf), "sys: fp: exception status=%.4lux pc=%#p", getfsr(), si->si_addr);
+ disfault(nil, buf);
+}
+
+static void
+trapUSR1(int signo)
+{
+ int intwait;
+
+ USED(signo);
+
+ intwait = up->intwait;
+ up->intwait = 0; /* clear it to let proc continue in osleave */
+
+ if(up->type != Interp) /* Used to unblock pending I/O */
+ return;
+
+ if(intwait == 0) /* Not posted so it's a sync error */
+ disfault(nil, Eintr); /* Should never happen */
+}
+
+void
+oslongjmp(void *regs, osjmpbuf env, int val)
+{
+ USED(regs);
+ siglongjmp(env, val);
+}
+
+static void
+termset(void)
+{
+ struct termios t;
+
+ tcgetattr(0, &t);
+ tinit = t;
+ t.c_lflag &= ~(ICANON|ECHO|ISIG);
+ t.c_cc[VMIN] = 1;
+ t.c_cc[VTIME] = 0;
+ tcsetattr(0, TCSANOW, &t);
+}
+
+static void
+termrestore(void)
+{
+ tcsetattr(0, TCSANOW, &tinit);
+}
+
+void
+cleanexit(int x)
+{
+ USED(x);
+
+ if(up->intwait) {
+ up->intwait = 0;
+ return;
+ }
+
+ if(dflag == 0)
+ termrestore();
+
+ kill(0, SIGKILL);
+ exit(0);
+}
+
+void
+osreboot(char *file, char **argv)
+{
+ if(dflag == 0)
+ termrestore();
+ execvp(file, argv);
+ error("reboot failure");
+}
+
+void
+libinit(char *imod)
+{
+ struct sigaction act;
+ struct passwd *pw;
+ Proc *p;
+ char sys[64];
+
+ setsid();
+
+ gethostname(sys, sizeof(sys));
+ kstrdup(&ossysname, sys);
+ pw = getpwnam("nobody");
+ if(pw != nil) {
+ uidnobody = pw->pw_uid;
+ gidnobody = pw->pw_gid;
+ }
+
+ if(dflag == 0)
+ termset();
+
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = trapUSR1;
+ sigaction(SIGUSR1, &act, nil);
+
+ act.sa_handler = SIG_IGN;
+ sigaction(SIGCHLD, &act, nil);
+
+ /*
+ * For the correct functioning of devcmd in the
+ * face of exiting slaves
+ */
+ signal(SIGPIPE, SIG_IGN);
+ if(signal(SIGTERM, SIG_IGN) != SIG_IGN)
+ signal(SIGTERM, cleanexit);
+ if(signal(SIGINT, SIG_IGN) != SIG_IGN)
+ signal(SIGINT, cleanexit);
+
+ if(sflag == 0) {
+ act.sa_flags = SA_SIGINFO;
+ act.sa_sigaction = trapILL;
+ sigaction(SIGILL, &act, nil);
+ act.sa_sigaction = trapFPE;
+ sigaction(SIGFPE, &act, nil);
+ act.sa_sigaction = trapmemref;
+ sigaction(SIGBUS, &act, nil);
+ sigaction(SIGSEGV, &act, nil);
+ act.sa_flags &= ~SA_SIGINFO;
+ }
+
+ p = newproc();
+ kprocinit(p);
+
+ pw = getpwuid(getuid());
+ if(pw != nil)
+ kstrdup(&eve, pw->pw_name);
+ else
+ print("cannot getpwuid\n");
+
+ p->env->uid = getuid();
+ p->env->gid = getgid();
+
+ emuinit(imod);
+}
+
+int
+readkbd(void)
+{
+ int n;
+ char buf[1];
+
+ n = read(0, buf, sizeof(buf));
+ if(n < 0)
+ print("keyboard close (n=%d, %s)\n", n, strerror(errno));
+ if(n <= 0)
+ pexit("keyboard thread", 0);
+
+ switch(buf[0]) {
+ case '\r':
+ buf[0] = '\n';
+ break;
+ case DELETE:
+ buf[0] = 'H' - '@';
+ break;
+ case CTRLC:
+ cleanexit(0);
+ break;
+ }
+ return buf[0];
+}
+
+/*
+ * Return an abitrary millisecond clock time
+ */
+long
+osmillisec(void)
+{
+ static long sec0 = 0, usec0;
+ struct timeval t;
+
+ if(gettimeofday(&t,(struct timezone*)0)<0)
+ return 0;
+
+ if(sec0 == 0) {
+ sec0 = t.tv_sec;
+ usec0 = t.tv_usec;
+ }
+ return (t.tv_sec-sec0)*1000+(t.tv_usec-usec0+500)/1000;
+}
+
+/*
+ * Return the time since the epoch in nanoseconds and microseconds
+ * The epoch is defined at 1 Jan 1970
+ */
+vlong
+osnsec(void)
+{
+ struct timeval t;
+
+ gettimeofday(&t, nil);
+ return (vlong)t.tv_sec*1000000000L + t.tv_usec*1000;
+}
+
+vlong
+osusectime(void)
+{
+ struct timeval t;
+
+ gettimeofday(&t, nil);
+ return (vlong)t.tv_sec * 1000000 + t.tv_usec;
+}
+
+int
+osmillisleep(ulong milsec)
+{
+ struct timespec time;
+
+ time.tv_sec = milsec/1000;
+ time.tv_nsec= (milsec%1000)*1000000;
+ nanosleep(&time, NULL);
+ return 0;
+}
+
+int
+limbosleep(ulong milsec)
+{
+ return osmillisleep(milsec);
+}
diff --git a/emu/AIX/segflush-power.c b/emu/AIX/segflush-power.c
new file mode 100644
index 00000000..5029b0aa
--- /dev/null
+++ b/emu/AIX/segflush-power.c
@@ -0,0 +1,33 @@
+#include <sys/types.h>
+
+#include "dat.h"
+
+
+/*
+ * from geoff collyer's port
+ * invalidate instruction cache and write back data cache from a to a+n-1,
+ * at least.
+ */
+int
+segflush(void *a, ulong n)
+{
+ ulong *p;
+
+ // cache blocks are often eight words (32 bytes) long, sometimes 16 bytes.
+ // need to determine it dynamically?
+ for (p = (ulong *)((ulong)a & ~7UL); (char *)p < (char *)a + n; p++)
+ __asm__("dcbst 0,r0\n\t" // not dcbf, which writes back, then invalidates
+ "icbi 0,r0\n\t"
+ : // no output
+ : "ar" (p)
+ );
+ __asm__("sync\n\t"
+ : // no output
+ :
+ );
+ __asm__("isync\n\t"
+ : // no output
+ :
+ );
+ return 0;
+}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-10 16:12:49 +0000