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From: Alistair Francis <alistair.francis@opensource.wdc.com>
To: qemu-devel@nongnu.org
Cc: alistair23@gmail.com,
	"Frédéric Pétrot" <frederic.petrot@univ-grenoble-alpes.fr>,
	"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
	"LIU Zhiwei" <zhiwei_liu@c-sky.com>,
	"Alistair Francis" <alistair.francis@wdc.com>
Subject: [PULL 03/40] target/riscv: correct "code should not be reached" for x-rv128
Date: Sat, 12 Feb 2022 09:59:54 +1000	[thread overview]
Message-ID: <20220212000031.3946524-4-alistair.francis@opensource.wdc.com> (raw)
In-Reply-To: <20220212000031.3946524-1-alistair.francis@opensource.wdc.com>

From: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr>

The addition of uxl support in gdbstub adds a few checks on the maximum
register length, but omitted MXL_RV128, an experimental feature.
This patch makes rv128 react as rv64, as previously.

Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20220124202456.420258-1-frederic.petrot@univ-grenoble-alpes.fr
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 target/riscv/cpu.c     | 3 +--
 target/riscv/gdbstub.c | 3 +++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 1cb0436187..5ada71e5bf 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -528,9 +528,8 @@ static void riscv_cpu_realize(DeviceState *dev, Error **errp)
     switch (env->misa_mxl_max) {
 #ifdef TARGET_RISCV64
     case MXL_RV64:
-        cc->gdb_core_xml_file = "riscv-64bit-cpu.xml";
-        break;
     case MXL_RV128:
+        cc->gdb_core_xml_file = "riscv-64bit-cpu.xml";
         break;
 #endif
     case MXL_RV32:
diff --git a/target/riscv/gdbstub.c b/target/riscv/gdbstub.c
index f531a74c2f..9ed049c29e 100644
--- a/target/riscv/gdbstub.c
+++ b/target/riscv/gdbstub.c
@@ -64,6 +64,7 @@ int riscv_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
     case MXL_RV32:
         return gdb_get_reg32(mem_buf, tmp);
     case MXL_RV64:
+    case MXL_RV128:
         return gdb_get_reg64(mem_buf, tmp);
     default:
         g_assert_not_reached();
@@ -84,6 +85,7 @@ int riscv_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
         length = 4;
         break;
     case MXL_RV64:
+    case MXL_RV128:
         if (env->xl < MXL_RV64) {
             tmp = (int32_t)ldq_p(mem_buf);
         } else {
@@ -420,6 +422,7 @@ void riscv_cpu_register_gdb_regs_for_features(CPUState *cs)
                                  1, "riscv-32bit-virtual.xml", 0);
         break;
     case MXL_RV64:
+    case MXL_RV128:
         gdb_register_coprocessor(cs, riscv_gdb_get_virtual,
                                  riscv_gdb_set_virtual,
                                  1, "riscv-64bit-virtual.xml", 0);
-- 
2.34.1



  parent reply	other threads:[~2022-02-12  0:10 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-11 23:59 [PULL 00/40] riscv-to-apply queue Alistair Francis
2022-02-11 23:59 ` [PULL 01/40] include: hw: remove ibex_plic.h Alistair Francis
2022-02-11 23:59 ` [PULL 02/40] Allow setting up to 8 bytes with the generic loader Alistair Francis
2022-02-11 23:59 ` Alistair Francis [this message]
2022-02-11 23:59 ` [PULL 04/40] target/riscv: refactor (anonymous struct) RISCVCPU.cfg into 'struct RISCVCPUConfig' Alistair Francis
2022-02-11 23:59 ` [PULL 05/40] target/riscv: riscv_tr_init_disas_context: copy pointer-to-cfg into cfg_ptr Alistair Francis
2022-02-11 23:59 ` [PULL 06/40] target/riscv: access configuration through cfg_ptr in DisasContext Alistair Francis
2022-02-11 23:59 ` [PULL 07/40] target/riscv: access cfg structure through DisasContext Alistair Francis
2022-02-11 23:59 ` [PULL 08/40] target/riscv: iterate over a table of decoders Alistair Francis
2022-02-12  0:00 ` [PULL 09/40] target/riscv: Add XVentanaCondOps custom extension Alistair Francis
2022-02-12  0:00 ` [PULL 10/40] target/riscv: add a MAINTAINERS entry for XVentanaCondOps Alistair Francis
2022-02-12  0:00 ` [PULL 11/40] target/riscv: Fix vill field write in vtype Alistair Francis
2022-02-12  0:00 ` [PULL 12/40] target/riscv: Fix trap cause for RV32 HS-mode CSR access from RV64 HS-mode Alistair Francis
2022-02-12  0:00 ` [PULL 13/40] target/riscv: Implement SGEIP bit in hip and hie CSRs Alistair Francis
2022-02-12  0:00 ` [PULL 14/40] target/riscv: Implement hgeie and hgeip CSRs Alistair Francis
2022-02-12  0:00 ` [PULL 15/40] target/riscv: Improve delivery of guest external interrupts Alistair Francis
2022-02-12  0:00 ` [PULL 16/40] target/riscv: Allow setting CPU feature from machine/device emulation Alistair Francis
2022-02-12  0:00 ` [PULL 17/40] target/riscv: Add AIA cpu feature Alistair Francis
2022-02-12  0:00 ` [PULL 18/40] target/riscv: Add defines for AIA CSRs Alistair Francis
2022-02-12  0:00 ` [PULL 19/40] target/riscv: Allow AIA device emulation to set ireg rmw callback Alistair Francis
2022-02-12  0:00 ` [PULL 20/40] target/riscv: Implement AIA local interrupt priorities Alistair Francis
2022-02-12  0:00 ` [PULL 21/40] target/riscv: Implement AIA CSRs for 64 local interrupts on RV32 Alistair Francis
2022-02-12  0:00 ` [PULL 22/40] target/riscv: Implement AIA hvictl and hviprioX CSRs Alistair Francis
2022-02-12  0:00 ` [PULL 23/40] target/riscv: Implement AIA interrupt filtering CSRs Alistair Francis
2022-02-12  0:00 ` [PULL 24/40] target/riscv: Implement AIA mtopi, stopi, and vstopi CSRs Alistair Francis
2022-02-12  0:00 ` [PULL 25/40] target/riscv: Implement AIA xiselect and xireg CSRs Alistair Francis
2022-02-12  0:00 ` [PULL 26/40] target/riscv: Implement AIA IMSIC interface CSRs Alistair Francis
2022-02-12  0:00 ` [PULL 27/40] hw/riscv: virt: Use AIA INTC compatible string when available Alistair Francis
2022-02-12  0:00 ` [PULL 28/40] target/riscv: Allow users to force enable AIA CSRs in HART Alistair Francis
2022-02-12  0:00 ` [PULL 29/40] hw/intc: Add RISC-V AIA APLIC device emulation Alistair Francis
2022-02-12  0:00 ` [PULL 30/40] hw/riscv: virt: Add optional AIA APLIC support to virt machine Alistair Francis
2022-02-12  0:00 ` [PULL 31/40] hw/intc: Add RISC-V AIA IMSIC device emulation Alistair Francis
2022-02-12  0:00 ` [PULL 32/40] hw/riscv: virt: Add optional AIA IMSIC support to virt machine Alistair Francis
2022-02-12  0:00 ` [PULL 33/40] docs/system: riscv: Document AIA options for " Alistair Francis
2022-02-12  0:00 ` [PULL 34/40] hw/riscv: virt: Increase maximum number of allowed CPUs Alistair Francis
2022-02-12  0:00 ` [PULL 35/40] target/riscv: Ignore reserved bits in PTE for RV64 Alistair Francis
2022-02-12  0:00 ` [PULL 36/40] target/riscv: add PTE_A/PTE_D/PTE_U bits check for inner PTE Alistair Francis
2022-02-12  0:00 ` [PULL 37/40] target/riscv: add support for svnapot extension Alistair Francis
2022-02-12  0:00 ` [PULL 38/40] target/riscv: add support for svinval extension Alistair Francis
2022-02-12  0:00 ` [PULL 39/40] target/riscv: add support for svpbmt extension Alistair Francis
2022-02-12  0:00 ` [PULL 40/40] docs/system: riscv: Update description of CPU Alistair Francis
2022-02-15 11:39 ` [PULL 00/40] riscv-to-apply queue Peter Maydell
2022-02-16  6:28   ` Alistair Francis
2022-02-16  6:45     ` Anup Patel

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