target/cortex_m: Add Realtek Real-M200 and M300

These cores are advertised as M23 and M33 compatible, but are identified
by the Realtek implementor id.  These cores are found on the RTL872xD
family, at least.

Raw CPUIDs:
Real-M200 (KM0): 721cd200
Real-M300 (KM4): 721fd220

Change-Id: I4106ccb7e8c562f98072a71e9e818f57999d664e
Signed-off-by: Karl Palsson <karlp@tweak.au>
Reviewed-on: https://review.openocd.org/c/openocd/+/7846
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

diff --git a/src/target/arm.h b/src/target/arm.h
index f3abd6cbab93085e38f8e6bca706110ba14246ef..28e53301919e85e647790c9248b677083be548e4 100644 (file)
--- a/src/target/arm.h
+++ b/src/target/arm.h
@@ -61,6 +61,7 @@ enum arm_arch {
 /** Known ARM implementor IDs */
 enum arm_implementor {
        ARM_IMPLEMENTOR_ARM = 0x41,
+       ARM_IMPLEMENTOR_REALTEK = 0x72,
 };
 
 /**

diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c
index 87a88455270d836a4701ddf6f4840a3204fba16a..014ceaebaa00b163dd9ea68525afc8d9319eca0a 100644 (file)
--- a/src/target/cortex_m.c
+++ b/src/target/cortex_m.c
@@ -111,6 +111,17 @@ static const struct cortex_m_part_info cortex_m_parts[] = {
                .arch = ARM_ARCH_V8M,
                .flags = CORTEX_M_F_HAS_FPV5,
        },
+       {
+               .impl_part = REALTEK_M200_PARTNO,
+               .name = "Real-M200 (KM0)",
+               .arch = ARM_ARCH_V8M,
+       },
+       {
+               .impl_part = REALTEK_M300_PARTNO,
+               .name = "Real-M300 (KM4)",
+               .arch = ARM_ARCH_V8M,
+               .flags = CORTEX_M_F_HAS_FPV5,
+       },
 };
 
 /* forward declarations */

diff --git a/src/target/cortex_m.h b/src/target/cortex_m.h
index 806ff59106be6004d207417a1f6c21c6d0f9367a..b5d1da7f245c456965b646c71b84b63599e35701 100644 (file)
--- a/src/target/cortex_m.h
+++ b/src/target/cortex_m.h
@@ -56,6 +56,8 @@ enum cortex_m_impl_part {
        CORTEX_M33_PARTNO  = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD21),
        CORTEX_M35P_PARTNO = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD31),
        CORTEX_M55_PARTNO  = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_ARM, 0xD22),
+       REALTEK_M200_PARTNO = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_REALTEK, 0xd20),
+       REALTEK_M300_PARTNO = ARM_MAKE_CPUID(ARM_IMPLEMENTOR_REALTEK, 0xd22),
 };
 
 /* Relevant Cortex-M flags, used in struct cortex_m_part_info.flags */