From cfebe5825512d187ce2d4ff98ee74e8da8eb901e Mon Sep 17 00:00:00 2001
From: Lucas Fryzek <lucas.fryzek@fryzekconcepts.com>
Date: Sun, 7 Jul 2024 20:12:12 +0100
Subject: Initial commit

---
 buildenv    |  1 +
 drvemu.c    | 25 +++++++++++++++++++++++++
 meson.build | 10 ++++++++++
 qemu-mips   |  7 +++++++
 4 files changed, 43 insertions(+)
 create mode 100644 buildenv
 create mode 100644 drvemu.c
 create mode 100644 meson.build
 create mode 100644 qemu-mips

diff --git a/buildenv b/buildenv
new file mode 100644
index 0000000..01f775c
--- /dev/null
+++ b/buildenv
@@ -0,0 +1 @@
+export QEMU_LD_PREFIX=/home/lfryzek/Documents/projects/hw/ci20/images/rootfs_2015_09_09
diff --git a/drvemu.c b/drvemu.c
new file mode 100644
index 0000000..d16c44f
--- /dev/null
+++ b/drvemu.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <assert.h>
+#include <dlfcn.h>
+
+#define PROLOG(func) \
+    static typeof(func) *orig_##func = NULL; \
+    if(!orig_##func) \
+        orig_##func = dlsym(RTLD_NEXT, #func);
+
+int open64(const char *pathname, int flags, ...) {
+    printf("Called open64 on %s (%d)\n", pathname, flags);
+    PROLOG(open64);
+    int fd = orig_open64(pathname, flags);
+    //check_fd(fd, pathname);
+    return fd;
+}
+
+int openat(int dirfd, const char *pathname, int flags, ...) {
+    assert(false && "openat not implemented");
+    printf("Called openat on %s (%d) (%d)\n", pathname, dirfd, flags);
+    PROLOG(openat);
+    return orig_openat(dirfd, pathname, flags);
+}
diff --git a/meson.build b/meson.build
new file mode 100644
index 0000000..53e52d9
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,10 @@
+project('drvemu', 'c',
+        default_options : ['c_std=gnu99'])
+add_project_arguments('-D_GNU_SOURCE', language: 'c')
+
+dl = dependency('dl')
+
+shared_library('drvemu',
+               'drvemu.c',
+               build_by_default: true,
+               dependencies: dl)
diff --git a/qemu-mips b/qemu-mips
new file mode 100644
index 0000000..e0fd507
--- /dev/null
+++ b/qemu-mips
@@ -0,0 +1,7 @@
+[binaries]
+c = ['qemu-mipsel', '/home/lfryzek/Documents/projects/hw/ci20/images/rootfs_2015_09_09/usr/bin/gcc']
+ar = ['qemu-mipsel', '/home/lfryzek/Documents/projects/hw/ci20/images/rootfs_2015_09_09/usr/bin/as']
+strip = ['qemu-mipsel', '/home/lfryzek/Documents/projects/hw/ci20/images/rootfs_2015_09_09/usr/bin/strip']
+
+[built-in options]
+c_args = ['--sysroot=/home/lfryzek/Documents/projects/hw/ci20/images/rootfs_2015_09_09']
-- 
cgit