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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-02-03 19:55:59 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-02-03 19:55:59 +0000
commitcf8358c8f784561e2ffd4d2eb66fccfca6301f67 (patch)
tree0e96c0d6e3149f2d12587c2d383528b192796c27 /target-ppc/translate_init.c
parentfbd265b681e831892c57445bfc5751c3439cf30c (diff)
Add calls to initialize VSCR on appropriate machines
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6507 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc/translate_init.c')
-rw-r--r--target-ppc/translate_init.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index dffb2f3fce..957047929a 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -472,6 +472,14 @@ static void spr_write_excp_vector (void *opaque, int sprn, int gprn)
}
#endif
+static inline void vscr_init (CPUPPCState *env, uint32_t val)
+{
+ env->vscr = val;
+ /* Altivec always uses round-to-nearest */
+ set_float_rounding_mode(float_round_nearest_even, &env->vec_status);
+ set_flush_to_zero(vscr_nj, &env->vec_status);
+}
+
#if defined(CONFIG_USER_ONLY)
#define spr_register(env, num, name, uea_read, uea_write, \
oea_read, oea_write, initial_value) \
@@ -1220,6 +1228,8 @@ static void gen_spr_74xx (CPUPPCState *env)
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
+ /* Not strictly an SPR */
+ vscr_init(env, 0x00010000);
}
static void gen_l3_ctrl (CPUPPCState *env)
@@ -5919,6 +5929,9 @@ 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 970FX (aka G5) */
@@ -6005,6 +6018,9 @@ static void init_proc_970FX (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 970 GX */
@@ -6091,6 +6107,9 @@ static void init_proc_970GX (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 970 MP */
@@ -6177,6 +6196,9 @@ static void init_proc_970MP (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 620 */