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Index: sys/mips/include/md_var.h
===================================================================
--- sys/mips/include/md_var.h
+++ sys/mips/include/md_var.h
@@ -71,6 +71,7 @@
void mips_vector_init(void);
void mips_cpu_init(void);
+void mips_hwrena_init(void);
void mips_pcpu0_init(void);
void mips_proc0_init(void);
void mips_postboot_fixup(void);
Index: sys/mips/mips/cpu.c
===================================================================
--- sys/mips/mips/cpu.c
+++ sys/mips/mips/cpu.c
@@ -141,10 +141,11 @@
/* Check to see if UserLocal register is implemented. */
if (cfg3 & MIPS_CONFIG3_ULR) {
- /* UserLocal register is implemented, enable it. */
+ /*
+ * UserLocal register is implemented, enable it later in
+ * mips_hwrena_init.
+ */
cpuinfo->userlocal_reg = true;
- tmp = mips_rd_hwrena();
- mips_wr_hwrena(tmp | MIPS_HWRENA_UL);
} else {
/*
* UserLocal register is not implemented. Patch
@@ -275,11 +276,25 @@
#endif
}
+void
+mips_hwrena_init(void)
+{
+ uint32_t reg;
+
+ reg = mips_rd_hwrena();
+
+ if (cpuinfo.userlocal_reg)
+ reg |= MIPS_HWRENA_UL;
+
+ mips_wr_hwrena(reg);
+}
+
void
mips_cpu_init(void)
{
platform_cpu_init();
mips_get_identity(&cpuinfo);
+ mips_hwrena_init();
num_tlbentries = cpuinfo.tlb_nentries;
mips_wr_wired(0);
tlb_invalidate_all();
Index: sys/mips/mips/mp_machdep.c
===================================================================
--- sys/mips/mips/mp_machdep.c
+++ sys/mips/mips/mp_machdep.c
@@ -52,6 +52,7 @@
#include <machine/intr_machdep.h>
#include <machine/cache.h>
#include <machine/tlb.h>
+#include <machine/md_var.h>
struct pcb stoppcbs[MAXCPU];
@@ -276,6 +277,8 @@
smp_init_secondary(u_int32_t cpuid)
{
+ mips_hwrena_init();
+
/* TLB */
mips_wr_wired(0);
tlb_invalidate_all();

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