This splits one init_proc_970() into a set of small helpers. Later
init_proc_970() will be generalized and will call different set of helpers
depending on the current CPU class.
Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru>
---
target-ppc/translate_init.c | 97 +++++++++++++++++++++++++++------------------
1 file changed, 58 insertions(+), 39 deletions(-)
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 6cd4cd9..302e61a 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -7277,48 +7277,70 @@ static int check_pow_970 (CPUPPCState *env)
return 0;
}
+static void gen_spr_970_hid(CPUPPCState *env)
+{
+ /* Hardware implementation registers */
+ /* XXX : not implemented */
+ spr_register(env, SPR_HID0, "HID0",
+ SPR_NOACCESS, SPR_NOACCESS,
+ &spr_read_generic, &spr_write_clear,
+ 0x60000000);
+ spr_register(env, SPR_HID1, "HID1",
+ SPR_NOACCESS, SPR_NOACCESS,
+ &spr_read_generic, &spr_write_generic,
+ 0x00000000);
+ spr_register(env, SPR_970_HID5, "HID5",
+ SPR_NOACCESS, SPR_NOACCESS,
+ &spr_read_generic, &spr_write_generic,
+ POWERPC970_HID5_INIT);
+}
+
+static void gen_spr_970_hior(CPUPPCState *env)
+{
+ spr_register(env, SPR_HIOR, "SPR_HIOR",
+ SPR_NOACCESS, SPR_NOACCESS,
+ &spr_read_hior, &spr_write_hior,
+ 0x00000000);
+}
+
+static void gen_spr_970_ctrl(CPUPPCState *env)
+{
+ spr_register(env, SPR_CTRL, "SPR_CTRL",
+ SPR_NOACCESS, SPR_NOACCESS,
+ SPR_NOACCESS, &spr_write_generic,
+ 0x00000000);
+ spr_register(env, SPR_UCTRL, "SPR_UCTRL",
+ SPR_NOACCESS, SPR_NOACCESS,
+ &spr_read_generic, SPR_NOACCESS,
+ 0x00000000);
+}
+
+static void gen_spr_book3s_altivec(CPUPPCState *env)
+{
+ if (!(env->insns_flags & PPC_ALTIVEC)) {
+ return;
+ }
+
+ spr_register(env, SPR_VRSAVE, "SPR_VRSAVE",
+ &spr_read_generic, &spr_write_generic,
+ &spr_read_generic, &spr_write_generic,
+ 0x00000000);
+
+ /* Can't find information on what this should be on reset. This
+ * value is the one used by 74xx processors. */
+ vscr_init(env, 0x00010000);
+}
+
static void init_proc_970 (CPUPPCState *env)
{
gen_spr_ne_601(env);
gen_spr_7xx(env);
- /* Time base */
gen_tbl(env);
- /* Hardware implementation registers */
- /* XXX : not implemented */
- spr_register(env, SPR_HID0, "HID0",
- SPR_NOACCESS, SPR_NOACCESS,
- &spr_read_generic, &spr_write_clear,
- 0x60000000);
- /* XXX : not implemented */
- spr_register(env, SPR_HID1, "HID1",
- SPR_NOACCESS, SPR_NOACCESS,
- &spr_read_generic, &spr_write_generic,
- 0x00000000);
- /* XXX : not implemented */
- spr_register(env, SPR_970_HID5, "HID5",
- SPR_NOACCESS, SPR_NOACCESS,
- &spr_read_generic, &spr_write_generic,
- POWERPC970_HID5_INIT);
- /* Memory management */
- /* XXX: not correct */
+ gen_spr_book3s_altivec(env);
+ gen_spr_970_hid(env);
+ gen_spr_970_hior(env);
gen_low_BATs(env);
- spr_register(env, SPR_HIOR, "SPR_HIOR",
- SPR_NOACCESS, SPR_NOACCESS,
- &spr_read_hior, &spr_write_hior,
- 0x00000000);
-
- spr_register(env, SPR_CTRL, "SPR_CTRL",
- SPR_NOACCESS, SPR_NOACCESS,
- SPR_NOACCESS, &spr_write_generic,
- 0x00000000);
- spr_register(env, SPR_UCTRL, "SPR_UCTRL",
- SPR_NOACCESS, SPR_NOACCESS,
- &spr_read_generic, SPR_NOACCESS,
- 0x00000000);
- spr_register(env, SPR_VRSAVE, "SPR_VRSAVE",
- &spr_read_generic, &spr_write_generic,
- &spr_read_generic, &spr_write_generic,
- 0x00000000);
+ gen_spr_970_ctrl(env);
#if !defined(CONFIG_USER_ONLY)
env->slb_nr = 64;
#endif
@@ -7327,9 +7349,6 @@ static void init_proc_970 (CPUPPCState *env)
env->icache_line_size = 128;
/* Allocate hardware IRQ controller */
ppc970_irq_init(env);
- /* Can't find information on what this should be on reset. This
- * value is the one used by 74xx processors. */
- vscr_init(env, 0x00010000);
}
POWERPC_FAMILY(970)(ObjectClass *oc, void *data)
--
1.8.4.rc4
