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authorMichael Rolnik <mrolnik@gmail.com>2020-01-26 19:32:33 +0100
committerPhilippe Mathieu-Daudé <f4bug@amsat.org>2020-07-10 17:58:32 +0200
commit25a08409ab449fe9666e3dc15fe87b2a8e5bb979 (patch)
tree379c6f41fe99a11093995dd97e0e321fa9b289ab /target/avr
parent12b35405476fa7f733538ec6bb3ffc91129c0555 (diff)
target/avr: Introduce enumeration AVRFeature
This patch introduces enumeration "AVRFeature" that will be used for defining various AVR core types. [AM: Split a larger AVR introduction patch into logical units] Suggested-by: Aleksandar Markovic <aleksandar.m.mail@gmail.com> Co-developed-by: Michael Rolnik <mrolnik@gmail.com> Co-developed-by: Sarah Harris <S.E.Harris@kent.ac.uk> Signed-off-by: Michael Rolnik <mrolnik@gmail.com> Signed-off-by: Sarah Harris <S.E.Harris@kent.ac.uk> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Aleksandar Markovic <aleksandar.m.mail@gmail.com> Acked-by: Igor Mammedov <imammedo@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Thomas Huth <huth@tuxfamily.org> Message-Id: <20200705140315.260514-8-huth@tuxfamily.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Diffstat (limited to 'target/avr')
-rw-r--r--target/avr/cpu.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/target/avr/cpu.h b/target/avr/cpu.h
index 8d99122804..d2c2e40c19 100644
--- a/target/avr/cpu.h
+++ b/target/avr/cpu.h
@@ -72,6 +72,42 @@
*/
#define OFFSET_IO_REGISTERS (OFFSET_DATA + NUMBER_OF_CPU_REGISTERS)
+typedef enum AVRFeature {
+ AVR_FEATURE_SRAM,
+
+ AVR_FEATURE_1_BYTE_PC,
+ AVR_FEATURE_2_BYTE_PC,
+ AVR_FEATURE_3_BYTE_PC,
+
+ AVR_FEATURE_1_BYTE_SP,
+ AVR_FEATURE_2_BYTE_SP,
+
+ AVR_FEATURE_BREAK,
+ AVR_FEATURE_DES,
+ AVR_FEATURE_RMW, /* Read Modify Write - XCH LAC LAS LAT */
+
+ AVR_FEATURE_EIJMP_EICALL,
+ AVR_FEATURE_IJMP_ICALL,
+ AVR_FEATURE_JMP_CALL,
+
+ AVR_FEATURE_ADIW_SBIW,
+
+ AVR_FEATURE_SPM,
+ AVR_FEATURE_SPMX,
+
+ AVR_FEATURE_ELPMX,
+ AVR_FEATURE_ELPM,
+ AVR_FEATURE_LPMX,
+ AVR_FEATURE_LPM,
+
+ AVR_FEATURE_MOVW,
+ AVR_FEATURE_MUL,
+ AVR_FEATURE_RAMPD,
+ AVR_FEATURE_RAMPX,
+ AVR_FEATURE_RAMPY,
+ AVR_FEATURE_RAMPZ,
+} AVRFeature;
+
typedef struct CPUAVRState CPUAVRState;
struct CPUAVRState {
@@ -126,6 +162,16 @@ hwaddr avr_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
int avr_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
int avr_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
+static inline int avr_feature(CPUAVRState *env, AVRFeature feature)
+{
+ return (env->features & (1U << feature)) != 0;
+}
+
+static inline void set_avr_feature(CPUAVRState *env, int feature)
+{
+ env->features |= (1U << feature);
+}
+
#define cpu_list avr_cpu_list
#define cpu_signal_handler cpu_avr_signal_handler
#define cpu_mmu_index avr_cpu_mmu_index