commit f1bd6f8ef6a47de7c10c8d94f526cc10b7d25c4d
author Mayuresh Chitale <mchitale@ventanamicro.com> Fri Mar 03 12:20:54 2023 +0530
committer Palmer Dabbelt <palmer@rivosinc.com> Sun Mar 05 15:33:39 2023 -0800
tree 45c8e2dcdcdf1b06fc41f204977f3db2837be8e3
parent 270629024df1f9f4e704ce8325f958858c5cbff7

target/riscv: cpu: Implement get_arch_id callback

Implement the callback for getting the architecture-dependent CPU ID ie
mhartid.

Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20230303065055.915652-2-mchitale@ventanamicro.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

target/riscv/cpu.c

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 3e8f21a..0ad8f94 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -1301,6 +1301,13 @@
 }
 
 #ifndef CONFIG_USER_ONLY
+static int64_t riscv_get_arch_id(CPUState *cs)
+{
+    RISCVCPU *cpu = RISCV_CPU(cs);
+
+    return cpu->env.mhartid;
+}
+
 #include "hw/core/sysemu-cpu-ops.h"
 
 static const struct SysemuCPUOps riscv_sysemu_ops = {
@@ -1355,6 +1362,7 @@
     cc->disas_set_info = riscv_cpu_disas_set_info;
 #ifndef CONFIG_USER_ONLY
     cc->sysemu_ops = &riscv_sysemu_ops;
+    cc->get_arch_id = riscv_get_arch_id;
 #endif
     cc->gdb_arch_name = riscv_gdb_arch_name;
     cc->gdb_get_dynamic_xml = riscv_gdb_get_dynamic_xml;