# Copyright (C) 2018 David Boddie <david@boddie.org.uk>## Permission is hereby granted, free of charge, to any person obtaining a copy# of this software and associated documentation files (the "Software"), to# deal in the Software without restriction, including without limitation the# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or# sell copies of the Software, and to permit persons to whom the Software is# furnished to do so, subject to the following conditions:## The above copyright notice and this permission notice shall be included in# all copies or substantial portions of the Software.## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER# DEALINGS IN THE SOFTWARE.implement Boot;include "sys.m"; sys: Sys;include "bufio.m";include "draw.m"; draw: Draw;include "env.m"; env: Env;include "string.m"; str: String;include "sh.m"; sh: Sh;Boot: module{ init: fn(ctxt: ref Draw->Context, argv: list of string);};init(ctxt: ref Draw->Context, argv: list of string){ env := load Env Env->PATH; str := load String String->PATH; sys := load Sys Sys->PATH; sh := load Sh Sh->PATH; # Care must be taken to keep these definitions together and not define some # above and redefine others here. bufio := load Bufio Bufio->PATH; Iobuf: import bufio; iobuf: ref Iobuf; iobuf = bufio->open("/dis/standalone/appname", Sys->OREAD); if (iobuf == nil) { sys->print("Failed to find the /dis/standalone/appname file. Exiting...\n"); return; } appname: string = iobuf.gets('\n'); if (appname[len(appname) - 1:] == "\n") appname = appname[:len(appname) - 1]; (n, dir) := sys->stat(appname); if (n != 0) { sys->print("Failed to find the %s file. Exiting...\n", appname); return; } # We could either bind all the things we need into a new directory and # bind / to that directory, hiding the non-bound files and directories, # or just unmount / to leave the root directory. sys->unmount(nil, "/"); # Bind the environment device to a directory in the root so that the # command line arguments given to the emu can be passed on to the # application itself. sys->bind("#e", "/env", Sys->MAFTER); # Read the emuwdir environment variable and bind the working directory to # the temporary directory. The MCREATE flag is needed in order to allow the # directory to be written to. emuwdir := env->getenv("emuwdir"); sys->bind("#U*" + emuwdir, "/tmp/wdir", Sys->MAFTER|Sys->MCREATE); # Read the emuargs environment variable. emuargs := env->getenv("emuargs"); (emu, app_args) := str->splitl(emuargs, " "); # Run the shell with the file name of the application obtained from the # appname file. args := list of {"sh", "-c", appname + " " + app_args}; # Enter the working directory. sys->chdir("/tmp/wdir"); # We do not need to spawn a new process here. The shell replaces this one. sh->init(ctxt, args);}
# Copyright (C) 2018 David Boddie <david@boddie.org.uk>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
implement Boot;
include "sys.m";
sys: Sys;
include "bufio.m";
include "draw.m";
draw: Draw;
include "env.m";
env: Env;
include "string.m";
str: String;
include "sh.m";
sh: Sh;
Boot: module
{
init: fn(ctxt: ref Draw->Context, argv: list of string);
};
init(ctxt: ref Draw->Context, argv: list of string)
{
env := load Env Env->PATH;
str := load String String->PATH;
sys := load Sys Sys->PATH;
sh := load Sh Sh->PATH;
# Care must be taken to keep these definitions together and not define some
# above and redefine others here.
bufio := load Bufio Bufio->PATH;
Iobuf: import bufio;
iobuf: ref Iobuf;
iobuf = bufio->open("/dis/standalone/appname", Sys->OREAD);
if (iobuf == nil) {
sys->print("Failed to find the /dis/standalone/appname file. Exiting...\n");
return;
}
appname: string = iobuf.gets('\n');
if (appname[len(appname) - 1:] == "\n")
appname = appname[:len(appname) - 1];
(n, dir) := sys->stat(appname);
if (n != 0) {
sys->print("Failed to find the %s file. Exiting...\n", appname);
return;
}
# We could either bind all the things we need into a new directory and
# bind / to that directory, hiding the non-bound files and directories,
# or just unmount / to leave the root directory.
sys->unmount(nil, "/");
# Bind the environment device to a directory in the root so that the
# command line arguments given to the emu can be passed on to the
# application itself.
sys->bind("#e", "/env", Sys->MAFTER);
# Read the emuwdir environment variable and bind the working directory to
# the temporary directory. The MCREATE flag is needed in order to allow the
# directory to be written to.
emuwdir := env->getenv("emuwdir");
sys->bind("#U*" + emuwdir, "/tmp/wdir", Sys->MAFTER|Sys->MCREATE);
# Read the emuargs environment variable.
emuargs := env->getenv("emuargs");
(emu, app_args) := str->splitl(emuargs, " ");
# Run the shell with the file name of the application obtained from the
# appname file.
args := list of {"sh", "-c", appname + " " + app_args};
# Enter the working directory.
sys->chdir("/tmp/wdir");
# We do not need to spawn a new process here. The shell replaces this one.
sh->init(ctxt, args);
}