X86: Set an initial value for the LDT selector.

2009-02-27 09:23:27 -08:00 · 2009-02-27 09:23:27 -08:00 · 1786f20058
parent e23d688d8f
commit 1786f20058
1 changed files with 3 additions and 0 deletions
--- a/src/arch/x86/process.cc
+++ b/src/arch/x86/process.cc
@ -299,6 +299,9 @@ I386LiveProcess::startup()
        tc->setMiscRegNoEffect(MISCREG_TSG_EFF_BASE, _gdtStart);
        tc->setMiscRegNoEffect(MISCREG_TSG_LIMIT, _gdtStart + _gdtSize - 1);

+        // Set the LDT selector to 0 to deactivate it.
+        tc->setMiscRegNoEffect(MISCREG_TSL, 0);
+
        //Set up the registers that describe the operating mode.
        CR0 cr0 = 0;
        cr0.pg = 1; // Turn on paging.