GDB target descriptions support typed registers; such that `info register X' displays not only the hex value of register `X', but also the individual bitfields the register comprises (if any), using textual labels if possible.
This patch includes type information for GDB for a large subset of the RISC-V Control and Status Registers (CSRs). Signed-off-by: Konrad Schwarz <konrad.schw...@siemens.com> --- target/riscv/csr.c | 2 + target/riscv/csr32-op-gdbserver.h | 109 ++++++++++ target/riscv/csr64-op-gdbserver.h | 76 +++++++ target/riscv/gdb_csr_types.c | 333 ++++++++++++++++++++++++++++++ target/riscv/gdb_csr_types.h | 3 + target/riscv/gdbstub.c | 26 ++- target/riscv/meson.build | 4 +- 7 files changed, 547 insertions(+), 6 deletions(-) create mode 100644 target/riscv/csr32-op-gdbserver.h create mode 100644 target/riscv/csr64-op-gdbserver.h create mode 100644 target/riscv/gdb_csr_types.c create mode 100644 target/riscv/gdb_csr_types.h diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 9f41954894..557b4afe0e 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -3,6 +3,7 @@ * * Copyright (c) 2016-2017 Sagar Karandikar, sag...@eecs.berkeley.edu * Copyright (c) 2017-2018 SiFive, Inc. + * Copyright (c) 2021 Siemens AG, konrad.schw...@siemens.com * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -2094,5 +2095,6 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = { [CSR_MHPMCOUNTER29H] = { "mhpmcounter29h", any32, read_zero }, [CSR_MHPMCOUNTER30H] = { "mhpmcounter30h", any32, read_zero }, [CSR_MHPMCOUNTER31H] = { "mhpmcounter31h", any32, read_zero }, + #endif /* !CONFIG_USER_ONLY */ }; diff --git a/target/riscv/csr32-op-gdbserver.h b/target/riscv/csr32-op-gdbserver.h new file mode 100644 index 0000000000..e8ec527f23 --- /dev/null +++ b/target/riscv/csr32-op-gdbserver.h @@ -0,0 +1,109 @@ +/* Copyright (c) 2021 Siemens AG, konrad.schw...@siemens.com */ + + [CSR_USTATUS] { .gdb_type = "sstatus-fields", .gdb_group = "user" }, + [CSR_UIE] { .gdb_type = "sie-fields", .gdb_group = "user" }, + [CSR_UTVEC] { .gdb_type = "code_ptr", .gdb_group = "user" }, + [CSR_USCRATCH] { .gdb_type = "data_ptr", .gdb_group = "user" }, + [CSR_UEPC] { .gdb_type = "code_ptr", .gdb_group = "user" }, + [CSR_UCAUSE] { .gdb_type = "scause-fields", .gdb_group = "user" }, + [CSR_UTVAL] { .gdb_type = "data_ptr", .gdb_group = "user" }, + [CSR_UIP] { .gdb_type = "code_ptr", .gdb_group = "user" }, + [CSR_CYCLE] { .gdb_type = "uint32", .gdb_group = "user" }, + [CSR_TIME] { .gdb_type = "uint32", .gdb_group = "user" }, + [CSR_INSTRET] { .gdb_type = "uint32", .gdb_group = "user" }, + [CSR_HPMCOUNTER3] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER4] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER5] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER6] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER7] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER8] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER9] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER10] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER11] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER12] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER13] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER14] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER15] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER16] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER17] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER18] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER19] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER20] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER21] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER22] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER23] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER24] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER25] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER26] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER27] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER28] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER29] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER30] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER31] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_CYCLEH] { .gdb_type = "uint32", .gdb_group = "user" }, + [CSR_TIMEH] { .gdb_type = "uint32", .gdb_group = "user" }, + [CSR_INSTRETH] { .gdb_type = "uint32", .gdb_group = "user" }, + [CSR_HPMCOUNTER3H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER4H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER5H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER6H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER7H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER8H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER9H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER10H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER11H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER12H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER13H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER14H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER15H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER16H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER17H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER18H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER19H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER20H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER21H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER22H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER23H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER24H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER25H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER26H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER27H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER28H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER29H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER30H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER31H] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_SSTATUS] { .gdb_type = "sstatus-fields", .gdb_group = "supervisor" }, + [CSR_SEDELEG] { .gdb_type = "uint32", .gdb_group = "supervisor" }, + [CSR_SIDELEG] { .gdb_type = "sie-fields", .gdb_group = "supervisor" }, + [CSR_SIE] { .gdb_type = "sie-fields", .gdb_group = "supervisor" }, + [CSR_STVEC] { .gdb_type = "stvec-fields", .gdb_group = "supervisor" }, + [CSR_SCOUNTEREN] { .gdb_type = "scounteren-fields", .gdb_group = "supervisor" }, + [CSR_SSCRATCH] { .gdb_type = "data_ptr", .gdb_group = "supervisor" }, + [CSR_SEPC] { .gdb_type = "code_ptr", .gdb_group = "supervisor" }, + [CSR_SCAUSE] { .gdb_type = "scause-fields", .gdb_group = "supervisor" }, + [CSR_STVAL] { .gdb_type = "data_ptr", .gdb_group = "supervisor" }, + [CSR_SIP] { .gdb_type = "sip-fields", .gdb_group = "supervisor" }, + [CSR_SATP] { .gdb_type = "satp-fields", .gdb_group = "supervisor" }, + [CSR_HSTATUS] { .gdb_type = "hstatus-fields", .gdb_group = "hypervisor" }, + [CSR_HEDELEG] { .gdb_type = "hedeleg-fields", .gdb_group = "hypervisor" }, + [CSR_HIDELEG] { .gdb_type = "hie-fields", .gdb_group = "hypervisor" }, + [CSR_HIE] { .gdb_type = "hie-fields", .gdb_group = "hypervisor" }, + [CSR_HCOUNTEREN] { .gdb_type = "int", .gdb_group = "hypervisor" }, + [CSR_HGEIE] { .gdb_type = "uint32", .gdb_group = "hypervisor" }, + [CSR_HGEIP] { .gdb_type = "uint32", .gdb_group = "hypervisor" }, + [CSR_HTVAL] { .gdb_type = "data_ptr", .gdb_group = "hypervisor" }, + [CSR_HIP] { .gdb_type = "hip-fields", .gdb_group = "hypervisor" }, + [CSR_HVIP] { .gdb_type = "hvip-fields", .gdb_group = "hypervisor" }, + [CSR_HGATP] { .gdb_type = "hgatp-fields", .gdb_group = "hypervisor" }, + [CSR_HTIMEDELTA] { .gdb_type = "int", .gdb_group = "hypervisor" }, + [CSR_HTIMEDELTAH] { .gdb_type = "int", .gdb_group = "hypervisor" }, + [CSR_HTINST] { .gdb_type = "uint32", .gdb_group = "hypervisor" }, + [CSR_VSSTATUS] { .gdb_type = "sstatus-fields", .gdb_group = "virtual-supervisor" }, + [CSR_VSIE] { .gdb_type = "sie-fields", .gdb_group = "virtual-supervisor" }, + [CSR_VSTVEC] { .gdb_type = "stvec-fields", .gdb_group = "virtual-supervisor" }, + [CSR_VSSCRATCH] { .gdb_type = "data_ptr", .gdb_group = "virtual-supervisor" }, + [CSR_VSEPC] { .gdb_type = "code_ptr", .gdb_group = "virtual-supervisor" }, + [CSR_VSCAUSE] { .gdb_type = "scause-fields", .gdb_group = "virtual-supervisor" }, + [CSR_VSTVAL] { .gdb_type = "data_ptr", .gdb_group = "virtual-supervisor" }, + [CSR_VSIP] { .gdb_type = "sip-fields", .gdb_group = "virtual-supervisor" }, + [CSR_VSATP] { .gdb_type = "satp-fields", .gdb_group = "virtual-supervisor" }, diff --git a/target/riscv/csr64-op-gdbserver.h b/target/riscv/csr64-op-gdbserver.h new file mode 100644 index 0000000000..fc4bc62d9e --- /dev/null +++ b/target/riscv/csr64-op-gdbserver.h @@ -0,0 +1,76 @@ +/* Copyright (c) 2021 Siemens AG, konrad.schw...@siemens.com */ + + [CSR_USTATUS] { .gdb_type = "sstatus-fields", .gdb_group = "user" }, + [CSR_UIE] { .gdb_type = "sie-fields", .gdb_group = "user" }, + [CSR_UTVEC] { .gdb_type = "code_ptr", .gdb_group = "user" }, + [CSR_USCRATCH] { .gdb_type = "data_ptr", .gdb_group = "user" }, + [CSR_UEPC] { .gdb_type = "code_ptr", .gdb_group = "user" }, + [CSR_UCAUSE] { .gdb_type = "scause-fields", .gdb_group = "user" }, + [CSR_UTVAL] { .gdb_type = "data_ptr", .gdb_group = "user" }, + [CSR_UIP] { .gdb_type = "code_ptr", .gdb_group = "user" }, + [CSR_CYCLE] { .gdb_type = "uint64", .gdb_group = "user" }, + [CSR_TIME] { .gdb_type = "uint64", .gdb_group = "user" }, + [CSR_INSTRET] { .gdb_type = "uint64", .gdb_group = "user" }, + [CSR_HPMCOUNTER3] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER4] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER5] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER6] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER7] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER8] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER9] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER10] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER11] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER12] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER13] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER14] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER15] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER16] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER17] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER18] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER19] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER20] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER21] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER22] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER23] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER24] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER25] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER26] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER27] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER28] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER29] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER30] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_HPMCOUNTER31] { .gdb_type = "int", .gdb_group = "user" }, + [CSR_SSTATUS] { .gdb_type = "sstatus-fields", .gdb_group = "supervisor" }, + [CSR_SEDELEG] { .gdb_type = "uint64", .gdb_group = "supervisor" }, + [CSR_SIDELEG] { .gdb_type = "sie-fields", .gdb_group = "supervisor" }, + [CSR_SIE] { .gdb_type = "sie-fields", .gdb_group = "supervisor" }, + [CSR_STVEC] { .gdb_type = "stvec-fields", .gdb_group = "supervisor" }, + [CSR_SCOUNTEREN] { .gdb_type = "scounteren-fields", .gdb_group = "supervisor" }, + [CSR_SSCRATCH] { .gdb_type = "data_ptr", .gdb_group = "supervisor" }, + [CSR_SEPC] { .gdb_type = "code_ptr", .gdb_group = "supervisor" }, + [CSR_SCAUSE] { .gdb_type = "scause-fields", .gdb_group = "supervisor" }, + [CSR_STVAL] { .gdb_type = "data_ptr", .gdb_group = "supervisor" }, + [CSR_SIP] { .gdb_type = "sip-fields", .gdb_group = "supervisor" }, + [CSR_SATP] { .gdb_type = "satp-fields", .gdb_group = "supervisor" }, + [CSR_HSTATUS] { .gdb_type = "hstatus-fields", .gdb_group = "hypervisor" }, + [CSR_HEDELEG] { .gdb_type = "hedeleg-fields", .gdb_group = "hypervisor" }, + [CSR_HIDELEG] { .gdb_type = "hie-fields", .gdb_group = "hypervisor" }, + [CSR_HIE] { .gdb_type = "hie-fields", .gdb_group = "hypervisor" }, + [CSR_HCOUNTEREN] { .gdb_type = "int", .gdb_group = "hypervisor" }, + [CSR_HGEIE] { .gdb_type = "uint64", .gdb_group = "hypervisor" }, + [CSR_HGEIP] { .gdb_type = "uint64", .gdb_group = "hypervisor" }, + [CSR_HTVAL] { .gdb_type = "data_ptr", .gdb_group = "hypervisor" }, + [CSR_HIP] { .gdb_type = "hip-fields", .gdb_group = "hypervisor" }, + [CSR_HVIP] { .gdb_type = "hvip-fields", .gdb_group = "hypervisor" }, + [CSR_HGATP] { .gdb_type = "hgatp-fields", .gdb_group = "hypervisor" }, + [CSR_HTIMEDELTA] { .gdb_type = "int", .gdb_group = "hypervisor" }, + [CSR_HTINST] { .gdb_type = "uint64", .gdb_group = "hypervisor" }, + [CSR_VSSTATUS] { .gdb_type = "sstatus-fields", .gdb_group = "virtual-supervisor" }, + [CSR_VSIE] { .gdb_type = "sie-fields", .gdb_group = "virtual-supervisor" }, + [CSR_VSTVEC] { .gdb_type = "stvec-fields", .gdb_group = "virtual-supervisor" }, + [CSR_VSSCRATCH] { .gdb_type = "data_ptr", .gdb_group = "virtual-supervisor" }, + [CSR_VSEPC] { .gdb_type = "code_ptr", .gdb_group = "virtual-supervisor" }, + [CSR_VSCAUSE] { .gdb_type = "scause-fields", .gdb_group = "virtual-supervisor" }, + [CSR_VSTVAL] { .gdb_type = "data_ptr", .gdb_group = "virtual-supervisor" }, + [CSR_VSIP] { .gdb_type = "sip-fields", .gdb_group = "virtual-supervisor" }, + [CSR_VSATP] { .gdb_type = "satp-fields", .gdb_group = "virtual-supervisor" }, diff --git a/target/riscv/gdb_csr_types.c b/target/riscv/gdb_csr_types.c new file mode 100644 index 0000000000..48b1db2b88 --- /dev/null +++ b/target/riscv/gdb_csr_types.c @@ -0,0 +1,333 @@ +/* Copyright (c) 2021 Siemens AG, konrad.schw...@siemens.com */ + +#include "qemu/osdep.h" +#include "gdb_csr_types.h" +#define STR(X) #X + +char const riscv_gdb_csr_types[] = +#ifdef TARGET_RISCV32 + STR( +<enum id="sstatus-fs-type" size="4"> + <evalue name="off" value="0"/> + <evalue name="initial" value="1"/> + <evalue name="clean" value="2"/> + <evalue name="dirty" value="3"/> +</enum><enum id="sstatus-xs-type" size="4"> + <evalue name="off" value="0"/> + <evalue name="initial" value="1"/> + <evalue name="clean" value="2"/> + <evalue name="dirty" value="3"/> +</enum><enum id="sstatus-uxl-type" size="4"> + <evalue name="32" value="1"/> + <evalue name="64" value="2"/> + <evalue name="128" value="3"/> +</enum><enum id="stvec-mode-type" size="4"> + <evalue name="direct" value="0"/> + <evalue name="vectored" value="1"/> +</enum><enum id="scause-exc-type" size="4"> + <evalue name="instruction_address_misaligned" value="0"/> + <evalue name="instruction_access_fault" value="1"/> + <evalue name="illegal_instruction" value="2"/> + <evalue name="breakpoint" value="3"/> + <evalue name="load_address_misaligned" value="4"/> + <evalue name="load_access_fault" value="5"/> + <evalue name="store_address_misaligned" value="6"/> + <evalue name="store_access_fault" value="7"/> + <evalue name="enironment_call_from_U_mode" value="8"/> + <evalue name="enironment_call_from_S_mode" value="9"/> + <evalue name="enironment_call_from_VS_mode" value="10"/> + <evalue name="enironment_call_from_M_mode" value="11"/> + <evalue name="instruction_page_fault" value="12"/> + <evalue name="load_page_fault" value="13"/> + <evalue name="store_page_fault" value="15"/> + <evalue name="instruction_guest_page_fault" value="20"/> + <evalue name="load_guest_page_fault" value="21"/> + <evalue name="virtual_instruction" value="22"/> + <evalue name="store_guest_page_fault" value="23"/> +</enum><enum id="satp-mode-type" size="4"> + <evalue name="bare" value="0"/> + <evalue name="sv32" value="1"/> + <evalue name="sv39" value="8"/> + <evalue name="sv48" value="9"/> + <evalue name="sv57" value="10"/> + <evalue name="sv64" value="11"/> +</enum><enum id="hgatp-mode-type" size="4"> + <evalue name="bare" value="0"/> + <evalue name="sv32x4" value="1"/> + <evalue name="sv39x4" value="8"/> + <evalue name="sv48x4" value="9"/> + <evalue name="sv57x4" value="10"/> +</enum><flags id="sstatus-fields" size="4"> + <field name="sie" start="1" end="1"/> + <field name="mie" start="3" end="3"/> + <field name="spie" start="5" end="5"/> + <field name="ube" start="6" end="6"/> + <field name="mpie" start="7" end="7"/> + <field name="spp" start="8" end="8"/> + <field name="mpp" start="11" end="12"/> + <field name="fs" start="13" end="14" type="sstatus-fs-type"/> + <field name="xs" start="15" end="16" type="sstatus-xs-type"/> + <field name="mprv" start="17" end="17"/> + <field name="sum" start="18" end="18"/> + <field name="mxr" start="19" end="19"/> + <field name="tvm" start="20" end="20"/> + <field name="tw" start="21" end="21"/> + <field name="tsr" start="22" end="23"/> + <field name="uxl" start="32" end="33" type="sstatus-uxl-type"/> + <field name="sxl" start="34" end="35"/> + <field name="sbe" start="36" end="36"/> + <field name="mbe" start="37" end="37"/> + <field name="gva" start="38" end="38"/> + <field name="mpv" start="39" end="39"/> + <field name="sd" start="63" end="63"/> +</flags><flags id="sie-fields" size="4"> + <field name="ssie" start="1" end="1"/> + <field name="vssie" start="2" end="2"/> + <field name="msie" start="3" end="3"/> + <field name="stie" start="5" end="5"/> + <field name="vstie" start="6" end="6"/> + <field name="mtie" start="7" end="7"/> + <field name="seie" start="9" end="9"/> + <field name="vseie" start="10" end="10"/> + <field name="meie" start="11" end="11"/> + <field name="sgeie" start="12" end="12"/> +</flags><flags id="stvec-fields" size="4"> + <field name="mode" start="0" end="1" type="stvec-mode-type"/> + <field name="base" start="2" end="63"/> +</flags><flags id="scounteren-fields" size="4"> + <field name="cy" start="0" end="0"/> + <field name="tm" start="1" end="1"/> + <field name="ir" start="2" end="2"/> + <field name="hpm" start="3" end="31"/> +</flags><flags id="scause-fields" size="4"> + <field name="exc" start="0" end="30" type="scause-exc-type"/> + <field name="interrupt" start="31" end="31"/> +</flags><flags id="sip-fields" size="4"> + <field name="ssip" start="1" end="1"/> + <field name="vssip" start="2" end="2"/> + <field name="msip" start="3" end="3"/> + <field name="stip" start="5" end="5"/> + <field name="vstip" start="6" end="6"/> + <field name="mtip" start="7" end="7"/> + <field name="seip" start="9" end="9"/> + <field name="vseip" start="10" end="10"/> + <field name="meip" start="11" end="11"/> + <field name="sgeip" start="12" end="12"/> +</flags><flags id="satp-fields" size="4"> + <field name="ppn" start="0" end="43"/> + <field name="asid" start="44" end="59"/> + <field name="mode" start="60" end="63" type="satp-mode-type"/> +</flags><flags id="hstatus-fields" size="4"> + <field name="vsbe" start="5" end="5"/> + <field name="gva" start="6" end="6"/> + <field name="spv" start="7" end="7"/> + <field name="spvp" start="8" end="8"/> + <field name="hu" start="9" end="9"/> + <field name="vgein" start="12" end="17"/> + <field name="vtvm" start="20" end="20"/> + <field name="vtsr" start="22" end="22"/> + <field name="vsxl" start="32" end="33"/> +</flags><flags id="hedeleg-fields" size="4"> + <field name="instruction_address_misaligned" start="0" end="0"/> + <field name="instruction_access_fault" start="1" end="1"/> + <field name="illegal_instruction" start="2" end="2"/> + <field name="breakpoint" start="3" end="3"/> + <field name="load_address_misaligned" start="4" end="4"/> + <field name="load_access_fault" start="5" end="5"/> + <field name="store_address_misaligned" start="6" end="6"/> + <field name="store_access_fault" start="7" end="7"/> + <field name="enironment_call_from_U_mode" start="8" end="8"/> + <field name="enironment_call_from_S_mode" start="9" end="9"/> + <field name="enironment_call_from_VS_mode" start="10" end="10"/> + <field name="enironment_call_from_M_mode" start="11" end="11"/> + <field name="instruction_page_fault" start="12" end="12"/> + <field name="load_page_fault" start="13" end="13"/> + <field name="store_page_fault" start="15" end="15"/> + <field name="instruction_guest_page_fault" start="20" end="20"/> + <field name="load_guest_page_fault" start="21" end="21"/> + <field name="virtual_instruction" start="22" end="22"/> + <field name="store_guest_page_fault" start="23" end="23"/> +</flags><flags id="hie-fields" size="4"> + <field name="vssie" start="2" end="2"/> + <field name="vstie" start="6" end="6"/> + <field name="vseie" start="10" end="10"/> + <field name="sgeie" start="12" end="12"/> +</flags><flags id="hip-fields" size="4"> + <field name="vssip" start="2" end="2"/> + <field name="vstip" start="6" end="6"/> + <field name="vseip" start="10" end="10"/> + <field name="sgeip" start="12" end="12"/> +</flags><flags id="hvip-fields" size="4"> + <field name="vssip" start="2" end="2"/> + <field name="vstip" start="6" end="6"/> + <field name="vseip" start="10" end="10"/> +</flags><flags id="hgatp-fields" size="4"> + <field name="ppn" start="0" end="43"/> + <field name="vmid" start="44" end="57"/> + <field name="mode" start="60" end="63" type="hgatp-mode-type"/> +</flags> +) +#elif defined TARGET_RISCV64 + STR( +<enum id="sstatus-fs-type" size="8"> + <evalue name="off" value="0"/> + <evalue name="initial" value="1"/> + <evalue name="clean" value="2"/> + <evalue name="dirty" value="3"/> +</enum><enum id="sstatus-xs-type" size="8"> + <evalue name="off" value="0"/> + <evalue name="initial" value="1"/> + <evalue name="clean" value="2"/> + <evalue name="dirty" value="3"/> +</enum><enum id="sstatus-uxl-type" size="8"> + <evalue name="32" value="1"/> + <evalue name="64" value="2"/> + <evalue name="128" value="3"/> +</enum><enum id="stvec-mode-type" size="8"> + <evalue name="direct" value="0"/> + <evalue name="vectored" value="1"/> +</enum><enum id="scause-exc-type" size="8"> + <evalue name="instruction_address_misaligned" value="0"/> + <evalue name="instruction_access_fault" value="1"/> + <evalue name="illegal_instruction" value="2"/> + <evalue name="breakpoint" value="3"/> + <evalue name="load_address_misaligned" value="4"/> + <evalue name="load_access_fault" value="5"/> + <evalue name="store_address_misaligned" value="6"/> + <evalue name="store_access_fault" value="7"/> + <evalue name="enironment_call_from_U_mode" value="8"/> + <evalue name="enironment_call_from_S_mode" value="9"/> + <evalue name="enironment_call_from_VS_mode" value="10"/> + <evalue name="enironment_call_from_M_mode" value="11"/> + <evalue name="instruction_page_fault" value="12"/> + <evalue name="load_page_fault" value="13"/> + <evalue name="store_page_fault" value="15"/> + <evalue name="instruction_guest_page_fault" value="20"/> + <evalue name="load_guest_page_fault" value="21"/> + <evalue name="virtual_instruction" value="22"/> + <evalue name="store_guest_page_fault" value="23"/> +</enum><enum id="satp-mode-type" size="8"> + <evalue name="bare" value="0"/> + <evalue name="sv32" value="1"/> + <evalue name="sv39" value="8"/> + <evalue name="sv48" value="9"/> + <evalue name="sv57" value="10"/> + <evalue name="sv64" value="11"/> +</enum><enum id="hgatp-mode-type" size="8"> + <evalue name="bare" value="0"/> + <evalue name="sv32x4" value="1"/> + <evalue name="sv39x4" value="8"/> + <evalue name="sv48x4" value="9"/> + <evalue name="sv57x4" value="10"/> +</enum><flags id="sstatus-fields" size="8"> + <field name="sie" start="1" end="1"/> + <field name="mie" start="3" end="3"/> + <field name="spie" start="5" end="5"/> + <field name="ube" start="6" end="6"/> + <field name="mpie" start="7" end="7"/> + <field name="spp" start="8" end="8"/> + <field name="mpp" start="11" end="12"/> + <field name="fs" start="13" end="14" type="sstatus-fs-type"/> + <field name="xs" start="15" end="16" type="sstatus-xs-type"/> + <field name="mprv" start="17" end="17"/> + <field name="sum" start="18" end="18"/> + <field name="mxr" start="19" end="19"/> + <field name="tvm" start="20" end="20"/> + <field name="tw" start="21" end="21"/> + <field name="tsr" start="22" end="23"/> + <field name="uxl" start="32" end="33" type="sstatus-uxl-type"/> + <field name="sxl" start="34" end="35"/> + <field name="sbe" start="36" end="36"/> + <field name="mbe" start="37" end="37"/> + <field name="gva" start="38" end="38"/> + <field name="mpv" start="39" end="39"/> + <field name="sd" start="63" end="63"/> +</flags><flags id="sie-fields" size="8"> + <field name="ssie" start="1" end="1"/> + <field name="vssie" start="2" end="2"/> + <field name="msie" start="3" end="3"/> + <field name="stie" start="5" end="5"/> + <field name="vstie" start="6" end="6"/> + <field name="mtie" start="7" end="7"/> + <field name="seie" start="9" end="9"/> + <field name="vseie" start="10" end="10"/> + <field name="meie" start="11" end="11"/> + <field name="sgeie" start="12" end="12"/> +</flags><flags id="stvec-fields" size="8"> + <field name="mode" start="0" end="1" type="stvec-mode-type"/> + <field name="base" start="2" end="63"/> +</flags><flags id="scounteren-fields" size="8"> + <field name="cy" start="0" end="0"/> + <field name="tm" start="1" end="1"/> + <field name="ir" start="2" end="2"/> + <field name="hpm" start="3" end="31"/> +</flags><flags id="scause-fields" size="8"> + <field name="exc" start="0" end="62" type="scause-exc-type"/> + <field name="interrupt" start="63" end="63"/> +</flags><flags id="sip-fields" size="8"> + <field name="ssip" start="1" end="1"/> + <field name="vssip" start="2" end="2"/> + <field name="msip" start="3" end="3"/> + <field name="stip" start="5" end="5"/> + <field name="vstip" start="6" end="6"/> + <field name="mtip" start="7" end="7"/> + <field name="seip" start="9" end="9"/> + <field name="vseip" start="10" end="10"/> + <field name="meip" start="11" end="11"/> + <field name="sgeip" start="12" end="12"/> +</flags><flags id="satp-fields" size="8"> + <field name="ppn" start="0" end="43"/> + <field name="asid" start="44" end="59"/> + <field name="mode" start="60" end="63" type="satp-mode-type"/> +</flags><flags id="hstatus-fields" size="8"> + <field name="vsbe" start="5" end="5"/> + <field name="gva" start="6" end="6"/> + <field name="spv" start="7" end="7"/> + <field name="spvp" start="8" end="8"/> + <field name="hu" start="9" end="9"/> + <field name="vgein" start="12" end="17"/> + <field name="vtvm" start="20" end="20"/> + <field name="vtsr" start="22" end="22"/> + <field name="vsxl" start="32" end="33"/> +</flags><flags id="hedeleg-fields" size="8"> + <field name="instruction_address_misaligned" start="0" end="0"/> + <field name="instruction_access_fault" start="1" end="1"/> + <field name="illegal_instruction" start="2" end="2"/> + <field name="breakpoint" start="3" end="3"/> + <field name="load_address_misaligned" start="4" end="4"/> + <field name="load_access_fault" start="5" end="5"/> + <field name="store_address_misaligned" start="6" end="6"/> + <field name="store_access_fault" start="7" end="7"/> + <field name="enironment_call_from_U_mode" start="8" end="8"/> + <field name="enironment_call_from_S_mode" start="9" end="9"/> + <field name="enironment_call_from_VS_mode" start="10" end="10"/> + <field name="enironment_call_from_M_mode" start="11" end="11"/> + <field name="instruction_page_fault" start="12" end="12"/> + <field name="load_page_fault" start="13" end="13"/> + <field name="store_page_fault" start="15" end="15"/> + <field name="instruction_guest_page_fault" start="20" end="20"/> + <field name="load_guest_page_fault" start="21" end="21"/> + <field name="virtual_instruction" start="22" end="22"/> + <field name="store_guest_page_fault" start="23" end="23"/> +</flags><flags id="hie-fields" size="8"> + <field name="vssie" start="2" end="2"/> + <field name="vstie" start="6" end="6"/> + <field name="vseie" start="10" end="10"/> + <field name="sgeie" start="12" end="12"/> +</flags><flags id="hip-fields" size="8"> + <field name="vssip" start="2" end="2"/> + <field name="vstip" start="6" end="6"/> + <field name="vseip" start="10" end="10"/> + <field name="sgeip" start="12" end="12"/> +</flags><flags id="hvip-fields" size="8"> + <field name="vssip" start="2" end="2"/> + <field name="vstip" start="6" end="6"/> + <field name="vseip" start="10" end="10"/> +</flags><flags id="hgatp-fields" size="8"> + <field name="ppn" start="0" end="43"/> + <field name="vmid" start="44" end="57"/> + <field name="mode" start="60" end="63" type="hgatp-mode-type"/> +</flags> +) +# endif +; diff --git a/target/riscv/gdb_csr_types.h b/target/riscv/gdb_csr_types.h new file mode 100644 index 0000000000..e55c978ac8 --- /dev/null +++ b/target/riscv/gdb_csr_types.h @@ -0,0 +1,3 @@ +/* Copyright (c) 2021 Siemens AG, konrad.schw...@siemens.com */ + +extern char const riscv_gdb_csr_types[]; diff --git a/target/riscv/gdbstub.c b/target/riscv/gdbstub.c index 23429179e2..9c3f68eeaf 100644 --- a/target/riscv/gdbstub.c +++ b/target/riscv/gdbstub.c @@ -2,6 +2,7 @@ * RISC-V GDB Server Stub * * Copyright (c) 2016-2017 Sagar Karandikar, sag...@eecs.berkeley.edu + * Copyright (c) 2021 Siemens AG, konrad.schw...@siemens.com * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -155,6 +156,9 @@ static int riscv_gdb_set_virtual(CPURISCVState *cs, uint8_t *mem_buf, int n) return 0; } +#include "gdb_csr_types.h" +#include "gdb_csr_type_group.h" + static int riscv_gen_dynamic_csr_xml(CPUState *cs, int base_reg) { RISCVCPU *cpu = RISCV_CPU(cs); @@ -163,21 +167,33 @@ static int riscv_gen_dynamic_csr_xml(CPUState *cs, int base_reg) riscv_csr_predicate_fn predicate; int bitsize = 16 << env->misa_mxl_max; int i; + riscv_csr_operations *csr_op; + struct riscv_gdb_csr_tg const *csr_tg; g_string_printf(s, "<?xml version=\"1.0\"?>"); g_string_append_printf(s, "<!DOCTYPE feature SYSTEM \"gdb-target.dtd\">"); g_string_append_printf(s, "<feature name=\"org.gnu.gdb.riscv.csr\">"); - for (i = 0; i < CSR_TABLE_SIZE; i++) { - predicate = csr_ops[i].predicate; + g_string_append(s, riscv_gdb_csr_types); + + for (i = 0, csr_op = csr_ops, csr_tg = riscv_gdb_csr_type_group; + i < CSR_TABLE_SIZE; ++csr_op, ++csr_tg, ++i) { + predicate = csr_op->predicate; if (predicate && (predicate(env, i) == RISCV_EXCP_NONE)) { - if (csr_ops[i].name) { - g_string_append_printf(s, "<reg name=\"%s\"", csr_ops[i].name); + if (csr_op->name) { + g_string_append_printf(s, "<reg name=\"%s\"", csr_op->name); } else { g_string_append_printf(s, "<reg name=\"csr%03x\"", i); } g_string_append_printf(s, " bitsize=\"%d\"", bitsize); - g_string_append_printf(s, " regnum=\"%d\"/>", base_reg + i); + g_string_append_printf(s, " regnum=\"%d\"", base_reg + i); + if (csr_tg->gdb_type) { + g_string_append_printf(s, " type=\"%s\"", csr_tg->gdb_type); + } + if (csr_tg->gdb_group) { + g_string_append_printf(s, " group=\"%s\"", csr_tg->gdb_group); + } + g_string_append(s, " />\n"); } } diff --git a/target/riscv/meson.build b/target/riscv/meson.build index d5e0bc93ea..e1945e54c4 100644 --- a/target/riscv/meson.build +++ b/target/riscv/meson.build @@ -25,7 +25,9 @@ riscv_softmmu_ss.add(files( 'arch_dump.c', 'pmp.c', 'monitor.c', - 'machine.c' + 'machine.c', + 'gdb_csr_types.c', + 'gdb_csr_type_group.c' )) target_arch += {'riscv': riscv_ss} -- Konrad Schwarz