diff mbox series

[PULL,21/56] target/riscv: Remove the deprecated 'any' CPU type

Message ID 20240911121422.52585-22-philmd@linaro.org
State Accepted
Commit d83234d3478a5b97f394adf4b33e9e29bebf9ffd
Headers show
Series [PULL,01/56] hw/pci-host/designware: Declare CPU QOM types using DEFINE_TYPES() macro | expand

Commit Message

Philippe Mathieu-Daudé Sept. 11, 2024, 12:13 p.m. UTC 
The 'any' CPU is deprecated since commit f57d5f8004b
("target/riscv: deprecate the 'any' CPU type"). Users
are better off using the default CPUs or the 'max' CPU.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20240724130717.95629-1-philmd@linaro.org>
---
 docs/about/deprecated.rst       | 13 -------------
 docs/about/removed-features.rst |  8 ++++++++
 target/riscv/cpu-qom.h          |  1 -
 target/riscv/cpu.c              | 28 ----------------------------
 4 files changed, 8 insertions(+), 42 deletions(-)
diff mbox series

Patch

diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index dc4b6849a9..ed31d4b0b2 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -333,19 +333,6 @@  QEMU's ``vhost`` feature, which would eliminate the high latency costs under
 which the 9p ``proxy`` backend currently suffers. However as of to date nobody
 has indicated plans for such kind of reimplementation unfortunately.
 
-RISC-V 'any' CPU type ``-cpu any`` (since 8.2)
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-The 'any' CPU type was introduced back in 2018 and has been around since the
-initial RISC-V QEMU port. Its usage has always been unclear: users don't know
-what to expect from a CPU called 'any', and in fact the CPU does not do anything
-special that isn't already done by the default CPUs rv32/rv64.
-
-After the introduction of the 'max' CPU type, RISC-V now has a good coverage
-of generic CPUs: rv32 and rv64 as default CPUs and 'max' as a feature complete
-CPU for both 32 and 64 bit builds. Users are then discouraged to use the 'any'
-CPU type starting in 8.2.
-
 RISC-V CPU properties which start with capital 'Z' (since 8.2)
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst
index b850a24233..06f8cc1b73 100644
--- a/docs/about/removed-features.rst
+++ b/docs/about/removed-features.rst
@@ -850,6 +850,14 @@  The RISC-V no MMU cpus have been removed. The two CPUs: ``rv32imacu-nommu`` and
 ``rv64imacu-nommu`` can no longer be used. Instead the MMU status can be specified
 via the CPU ``mmu`` option when using the ``rv32`` or ``rv64`` CPUs.
 
+RISC-V 'any' CPU type ``-cpu any`` (removed in 9.2)
+'''''''''''''''''''''''''''''''''''''''''''''''''''
+
+The 'any' CPU type was introduced back in 2018 and was around since the
+initial RISC-V QEMU port. Its usage was always been unclear: users don't know
+what to expect from a CPU called 'any', and in fact the CPU does not do anything
+special that isn't already done by the default CPUs rv32/rv64.
+
 ``compat`` property of server class POWER CPUs (removed in 6.0)
 '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
 
diff --git a/target/riscv/cpu-qom.h b/target/riscv/cpu-qom.h
index 3670cfe6d9..4464c0fd7a 100644
--- a/target/riscv/cpu-qom.h
+++ b/target/riscv/cpu-qom.h
@@ -29,7 +29,6 @@ 
 #define RISCV_CPU_TYPE_SUFFIX "-" TYPE_RISCV_CPU
 #define RISCV_CPU_TYPE_NAME(name) (name RISCV_CPU_TYPE_SUFFIX)
 
-#define TYPE_RISCV_CPU_ANY              RISCV_CPU_TYPE_NAME("any")
 #define TYPE_RISCV_CPU_MAX              RISCV_CPU_TYPE_NAME("max")
 #define TYPE_RISCV_CPU_BASE32           RISCV_CPU_TYPE_NAME("rv32")
 #define TYPE_RISCV_CPU_BASE64           RISCV_CPU_TYPE_NAME("rv64")
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index a90808a3ba..4bda754b01 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -438,27 +438,6 @@  static void set_satp_mode_default_map(RISCVCPU *cpu)
 }
 #endif
 
-static void riscv_any_cpu_init(Object *obj)
-{
-    RISCVCPU *cpu = RISCV_CPU(obj);
-    CPURISCVState *env = &cpu->env;
-    riscv_cpu_set_misa_ext(env, RVI | RVM | RVA | RVF | RVD | RVC | RVU);
-
-#ifndef CONFIG_USER_ONLY
-    set_satp_mode_max_supported(RISCV_CPU(obj),
-        riscv_cpu_mxl(&RISCV_CPU(obj)->env) == MXL_RV32 ?
-        VM_1_10_SV32 : VM_1_10_SV57);
-#endif
-
-    env->priv_ver = PRIV_VERSION_LATEST;
-
-    /* inherited from parent obj via riscv_cpu_init() */
-    cpu->cfg.ext_zifencei = true;
-    cpu->cfg.ext_zicsr = true;
-    cpu->cfg.mmu = true;
-    cpu->cfg.pmp = true;
-}
-
 static void riscv_max_cpu_init(Object *obj)
 {
     RISCVCPU *cpu = RISCV_CPU(obj);
@@ -1161,11 +1140,6 @@  static void riscv_cpu_realize(DeviceState *dev, Error **errp)
     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(dev);
     Error *local_err = NULL;
 
-    if (object_dynamic_cast(OBJECT(dev), TYPE_RISCV_CPU_ANY) != NULL) {
-        warn_report("The 'any' CPU is deprecated and will be "
-                    "removed in the future.");
-    }
-
     cpu_exec_realizefn(cs, &local_err);
     if (local_err != NULL) {
         error_propagate(errp, local_err);
@@ -2952,7 +2926,6 @@  static const TypeInfo riscv_cpu_type_infos[] = {
         .abstract = true,
     },
 #if defined(TARGET_RISCV32)
-    DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_ANY,       MXL_RV32,  riscv_any_cpu_init),
     DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_MAX,       MXL_RV32,  riscv_max_cpu_init),
     DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE32,    MXL_RV32,  rv32_base_cpu_init),
     DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_IBEX,       MXL_RV32,  rv32_ibex_cpu_init),
@@ -2962,7 +2935,6 @@  static const TypeInfo riscv_cpu_type_infos[] = {
     DEFINE_BARE_CPU(TYPE_RISCV_CPU_RV32I,        MXL_RV32,  rv32i_bare_cpu_init),
     DEFINE_BARE_CPU(TYPE_RISCV_CPU_RV32E,        MXL_RV32,  rv32e_bare_cpu_init),
 #elif defined(TARGET_RISCV64)
-    DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_ANY,       MXL_RV64,  riscv_any_cpu_init),
     DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_MAX,       MXL_RV64,  riscv_max_cpu_init),
     DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE64,    MXL_RV64,  rv64_base_cpu_init),
     DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_E51, MXL_RV64,  rv64_sifive_e_cpu_init),