aboutsummaryrefslogtreecommitdiffstats
path: root/com32/lib/syslinux
diff options
context:
space:
mode:
Diffstat (limited to 'com32/lib/syslinux')
-rw-r--r--com32/lib/syslinux/dsinfo.c47
-rw-r--r--com32/lib/syslinux/version.c46
2 files changed, 93 insertions, 0 deletions
diff --git a/com32/lib/syslinux/dsinfo.c b/com32/lib/syslinux/dsinfo.c
new file mode 100644
index 00000000..6d77a0de
--- /dev/null
+++ b/com32/lib/syslinux/dsinfo.c
@@ -0,0 +1,47 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2008 H. Peter Anvin - All Rights Reserved
+ *
+ * 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.
+ *
+ * ----------------------------------------------------------------------- */
+
+#include <syslinux/config.h>
+#include <klibc/compiler.h>
+#include <com32.h>
+
+union syslinux_derivative_info __syslinux_derivative_info;
+
+void __constructor __syslinux_get_derivative_info(void)
+{
+ static com32sys_t reg;
+
+ reg.eax.w[0] = 0x000A;
+ __intcall(0x22, &reg, &reg);
+
+ __syslinux_derivative_info.r.ax = reg.eax.w[0];
+ __syslinux_derivative_info.r.cx = reg.ecx.w[0];
+ __syslinux_derivative_info.r.dx = reg.edx.w[0];
+ __syslinux_derivative_info.r.esbx = MK_PTR(reg.es, reg.ebx.w[0]);
+ __syslinux_derivative_info.r.fssi = MK_PTR(reg.fs, reg.esi.w[0]);
+ __syslinux_derivative_info.r.gsdi = MK_PTR(reg.gs, reg.edi.w[0]);
+}
diff --git a/com32/lib/syslinux/version.c b/com32/lib/syslinux/version.c
new file mode 100644
index 00000000..2131fa04
--- /dev/null
+++ b/com32/lib/syslinux/version.c
@@ -0,0 +1,46 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2008 H. Peter Anvin - All Rights Reserved
+ *
+ * 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.
+ *
+ * ----------------------------------------------------------------------- */
+
+#include <syslinux/config.h>
+#include <klibc/compiler.h>
+#include <com32.h>
+
+struct syslinux_version __syslinux_version;
+
+void __constructor __syslinux_get_version(void)
+{
+ static com32sys_t reg;
+
+ reg.eax.w[0] = 0x0001;
+ __intcall(0x22, &reg, &reg);
+
+ __syslinux_version.version = reg.ecx.w[0];
+ __syslinux_version.max_api = reg.eax.w[0];
+ __syslinux_version.filesystem = reg.edx.b[0];
+ __syslinux_version.version_string = MK_PTR(reg.es, reg.esi.w[0]);
+ __syslinux_version.copyright_string = MK_PTR(reg.es, reg.edi.w[0]);
+}