target-ppc: Add HID4 SPR for PPC970

Previously LPCR was registered for the 970 class which was wrong as it does not have LPCR. Instead, HID4 is used which this patch registers. Signed-off-by: Alexey Kardashevskiy <[email protected]> Reviewed-by: Tom Musta <[email protected]> Signed-off-by: Alexander Graf <[email protected]>
fub2 · Jun 16, 2014 · ba88100 · ba88100
1 parent c36c97f
commit ba88100
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diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
@@ -1679,6 +1679,7 @@ static inline int cpu_mmu_index (CPUPPCState *env)
 #define SPR_750_TDCL          (0x3F4)
 #define SPR_40x_IAC1          (0x3F4)
 #define SPR_MMUCSR0           (0x3F4)
+#define SPR_970_HID4          (0x3F4)
 #define SPR_DABR              (0x3F5)
 #define DABR_MASK (~(target_ulong)0x7)
 #define SPR_Exxx_BUCSR        (0x3F5)

diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
@@ -7308,6 +7308,16 @@ static void gen_spr_970_hior(CPUPPCState *env)
                  0x00000000);
 }
 
+static void gen_spr_970_lpar(CPUPPCState *env)
+{
+    /* Logical partitionning */
+    /* PPC970: HID4 is effectively the LPCR */
+    spr_register(env, SPR_970_HID4, "HID4",
+                 SPR_NOACCESS, SPR_NOACCESS,
+                 &spr_read_generic, &spr_write_generic,
+                 0x00000000);
+}
+
 static void gen_spr_book3s_common(CPUPPCState *env)
 {
     spr_register(env, SPR_CTRL, "SPR_CTRL",
@@ -7497,6 +7507,7 @@ static void init_proc_970 (CPUPPCState *env)
     gen_spr_book3s_common(env);
     gen_spr_970_pmu_sup(env);
     gen_spr_970_pmu_user(env);
+    gen_spr_970_lpar(env);
 
     gen_spr_power5p_ear(env);