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-rw-r--r--com32/cmenu/libmenu/syslnx.c52
1 files changed, 7 insertions, 45 deletions
diff --git a/com32/cmenu/libmenu/syslnx.c b/com32/cmenu/libmenu/syslnx.c
index c681f585..5060c5db 100644
--- a/com32/cmenu/libmenu/syslnx.c
+++ b/com32/cmenu/libmenu/syslnx.c
@@ -19,16 +19,6 @@
com32sys_t inreg, outreg; // Global registers for this module
-char issyslinux(void)
-{
- REG_EAX(inreg) = 0x00003000;
- REG_EBX(inreg) = REG_ECX(inreg) = REG_EDX(inreg) = 0xFFFFFFFF;
- __intcall(0x21, &inreg, &outreg);
- return (REG_EAX(outreg) == 0x59530000) &&
- (REG_EBX(outreg) == 0x4c530000) &&
- (REG_ECX(outreg) == 0x4e490000) && (REG_EDX(outreg) == 0x58550000);
-}
-
void runsyslinuxcmd(const char *cmd)
{
char *bounce;
@@ -60,43 +50,15 @@ unsigned int getversion(char *deriv, unsigned int *numfun)
return __syslinux_version.version;
}
-void runsyslinuximage(const char *cmd, long ipappend)
+char issyslinux(void)
{
- unsigned int numfun = 0;
- char *ptr, *cmdline;
- char *bounce;
+ return !!getversion(NULL, NULL);
+}
+void runsyslinuximage(const char *cmd, long ipappend)
+{
(void)ipappend; // XXX: Unused?!
- getversion(NULL, &numfun);
- // Function 16h not supported Fall back to runcommand
- if (numfun < 0x16)
- runsyslinuxcmd(cmd);
- // Try the Run Kernel Image function
- // Split command line into
- bounce = lmalloc(strlen(cmd) + 1);
- if (!bounce)
- return;
-
- strcpy(bounce, cmd);
- ptr = bounce;
- // serach for first space or end of string
- while ((*ptr) && (*ptr != ' '))
- ptr++;
- if (!*ptr)
- cmdline = ptr; // no command line
- else {
- *ptr++ = '\0'; // terminate kernal name
- cmdline = ptr + 1;
- while (*cmdline != ' ')
- cmdline++; // find first non-space
- }
- // Now call the interrupt
- REG_BX(inreg) = OFFS(cmdline);
- REG_ES(inreg) = SEG(cmdline);
- REG_SI(inreg) = OFFS(bounce);
- REG_DS(inreg) = SEG(bounce);
- REG_EDX(inreg) = 0;
-
- __intcall(0x22, &inreg, &outreg); // If successful does not return
+ getversion(NULL, NULL);
+ runsyslinuxcmd(cmd);
}