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authorLaurent Vivier <laurent@vivier.eu>2015-06-23 20:55:08 +0200
committerLaurent Vivier <laurent@vivier.eu>2016-10-25 20:54:47 +0200
commitf076803bbf6ad1618f493f543faff97f3dd0c970 (patch)
treee2ce3826865092dea680368abcd08f6a60fa138b /target-m68k/cpu.c
parentb208525797b031c1be4121553e21746686318a38 (diff)
target-m68k: define m680x0 CPUs and features
This patch defines height new features: - M68K_FEATURE_SCALED_INDEX, scaled address index register - M68K_FEATURE_LONG_MULDIV, 32bit multiply/divide - M68K_FEATURE_QUAD_MULDIV, 64bit multiply/divide - M68K_FEATURE_BCCL, long conditional branches - M68K_FEATURE_BITFIELD, bit field instructions - M68K_FEATURE_FPU, FPU instructions - M68K_FEATURE_CAS, cas instruction - M68K_FEATURE_BKPT, bkpt instruction Original patch from Andreas Schwab <schwab@linux-m68k.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'target-m68k/cpu.c')
-rw-r--r--target-m68k/cpu.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/target-m68k/cpu.c b/target-m68k/cpu.c
index 17e4be2934..800e8f0e58 100644
--- a/target-m68k/cpu.c
+++ b/target-m68k/cpu.c
@@ -98,6 +98,57 @@ static void m5206_cpu_initfn(Object *obj)
m68k_set_feature(env, M68K_FEATURE_CF_ISA_A);
}
+static void m68000_cpu_initfn(Object *obj)
+{
+ M68kCPU *cpu = M68K_CPU(obj);
+ CPUM68KState *env = &cpu->env;
+
+ m68k_set_feature(env, M68K_FEATURE_M68000);
+ m68k_set_feature(env, M68K_FEATURE_USP);
+ m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
+}
+
+static void m68020_cpu_initfn(Object *obj)
+{
+ M68kCPU *cpu = M68K_CPU(obj);
+ CPUM68KState *env = &cpu->env;
+
+ m68k_set_feature(env, M68K_FEATURE_M68000);
+ m68k_set_feature(env, M68K_FEATURE_USP);
+ m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
+ m68k_set_feature(env, M68K_FEATURE_QUAD_MULDIV);
+ m68k_set_feature(env, M68K_FEATURE_BRAL);
+ m68k_set_feature(env, M68K_FEATURE_BCCL);
+ m68k_set_feature(env, M68K_FEATURE_BITFIELD);
+ m68k_set_feature(env, M68K_FEATURE_EXT_FULL);
+ m68k_set_feature(env, M68K_FEATURE_SCALED_INDEX);
+ m68k_set_feature(env, M68K_FEATURE_LONG_MULDIV);
+ m68k_set_feature(env, M68K_FEATURE_FPU);
+ m68k_set_feature(env, M68K_FEATURE_CAS);
+ m68k_set_feature(env, M68K_FEATURE_BKPT);
+}
+#define m68030_cpu_initfn m68020_cpu_initfn
+#define m68040_cpu_initfn m68020_cpu_initfn
+
+static void m68060_cpu_initfn(Object *obj)
+{
+ M68kCPU *cpu = M68K_CPU(obj);
+ CPUM68KState *env = &cpu->env;
+
+ m68k_set_feature(env, M68K_FEATURE_M68000);
+ m68k_set_feature(env, M68K_FEATURE_USP);
+ m68k_set_feature(env, M68K_FEATURE_WORD_INDEX);
+ m68k_set_feature(env, M68K_FEATURE_BRAL);
+ m68k_set_feature(env, M68K_FEATURE_BCCL);
+ m68k_set_feature(env, M68K_FEATURE_BITFIELD);
+ m68k_set_feature(env, M68K_FEATURE_EXT_FULL);
+ m68k_set_feature(env, M68K_FEATURE_SCALED_INDEX);
+ m68k_set_feature(env, M68K_FEATURE_LONG_MULDIV);
+ m68k_set_feature(env, M68K_FEATURE_FPU);
+ m68k_set_feature(env, M68K_FEATURE_CAS);
+ m68k_set_feature(env, M68K_FEATURE_BKPT);
+}
+
static void m5208_cpu_initfn(Object *obj)
{
M68kCPU *cpu = M68K_CPU(obj);
@@ -148,6 +199,11 @@ typedef struct M68kCPUInfo {
} M68kCPUInfo;
static const M68kCPUInfo m68k_cpus[] = {
+ { .name = "m68000", .instance_init = m68000_cpu_initfn },
+ { .name = "m68020", .instance_init = m68020_cpu_initfn },
+ { .name = "m68030", .instance_init = m68030_cpu_initfn },
+ { .name = "m68040", .instance_init = m68040_cpu_initfn },
+ { .name = "m68060", .instance_init = m68060_cpu_initfn },
{ .name = "m5206", .instance_init = m5206_cpu_initfn },
{ .name = "m5208", .instance_init = m5208_cpu_initfn },
{ .name = "cfv4e", .instance_init = cfv4e_cpu_initfn },