#include <asm/switch_to.h>
#include <asm/tm.h>
#include <asm/debug.h>
+#include <asm/asm-prototypes.h>
#include <asm/hmi.h>
#include <sysdev/fsl_pci.h>
[FSCR_TM_LG] = "TM",
[FSCR_EBB_LG] = "EBB",
[FSCR_TAR_LG] = "TAR",
+ [FSCR_LM_LG] = "LM",
};
char *facility = "unknown";
u64 value;
rd = (instword >> 21) & 0x1f;
current->thread.dscr = regs->gpr[rd];
current->thread.dscr_inherit = 1;
- mtspr(SPRN_FSCR, value | FSCR_DSCR);
+ current->thread.fscr |= FSCR_DSCR;
+ mtspr(SPRN_FSCR, current->thread.fscr);
}
/* Read from DSCR (mfspr RT, 0x03) */
emulate_single_step(regs);
}
return;
+ } else if ((status == FSCR_LM_LG) && cpu_has_feature(CPU_FTR_ARCH_300)) {
+ /*
+ * This process has touched LM, so turn it on forever
+ * for this process
+ */
+ current->thread.fscr |= FSCR_LM;
+ mtspr(SPRN_FSCR, current->thread.fscr);
+ return;
}
if ((status < ARRAY_SIZE(facility_strings)) &&