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First RISC-V PR for 6.0

Browse source 
This PR:
  - Fixes some issues with the m25p80
  - Improves GDB support for RISC-V
  - Fixes some Linux boot issues, specifiaclly 32-bit boot failures
  - Enforces PMP exceptions correctly
  - Fixes some Coverity issues
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Merge remote-tracking branch 'remotes/alistair/tags/pull-riscv-to-apply-20210117-3' into staging

First RISC-V PR for 6.0

This PR:
 - Fixes some issues with the m25p80
 - Improves GDB support for RISC-V
 - Fixes some Linux boot issues, specifiaclly 32-bit boot failures
 - Enforces PMP exceptions correctly
 - Fixes some Coverity issues

# gpg: Signature made Sun 17 Jan 2021 21:53:19 GMT
# gpg:                using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8  CE8F 21E1 0D29 DF97 7054

* remotes/alistair/tags/pull-riscv-to-apply-20210117-3:
  riscv: Pass RISCVHartArrayState by pointer
  target/riscv: Remove built-in GDB XML files for CSRs
  target/riscv: Generate the GDB XML file for CSR registers dynamically
  target/riscv: Add CSR name in the CSR function table
  target/riscv: Make csr_ops[CSR_TABLE_SIZE] external
  hw/misc/sifive_u_otp: handling the fails of blk_pread and blk_pwrite
  hw/riscv: sifive_u: Use SIFIVE_U_CPU for mc->default_cpu_type
  target/riscv/pmp: Raise exception if no PMP entry is configured
  RISC-V: Place DTB at 3GB boundary instead of 4GB
  gdb: riscv: Add target description
  hw/block: m25p80: Implement AAI-WP command support for SST flashes
  hw/block: m25p80: Don't write to flash if write is disabled

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2021-01-18 10:28:26 +00:00
commit 20b8016ed8
20 changed files with 459 additions and 898 deletions
Download patch file Download diff file Expand all files Collapse all files

6
include/hw/riscv/boot.h
View file

@ -24,9 +24,9 @@
#include "hw/loader.h"
#include "hw/riscv/riscv_hart.h"
bool riscv_is_32bit(RISCVHartArrayState harts);
bool riscv_is_32bit(RISCVHartArrayState *harts);
target_ulong riscv_calc_kernel_start_addr(RISCVHartArrayState harts,
target_ulong riscv_calc_kernel_start_addr(RISCVHartArrayState *harts,
target_ulong firmware_end_addr);
target_ulong riscv_find_and_load_firmware(MachineState *machine,
const char *default_machine_firmware,
@ -42,7 +42,7 @@ target_ulong riscv_load_kernel(const char *kernel_filename,
hwaddr riscv_load_initrd(const char *filename, uint64_t mem_size,
uint64_t kernel_entry, hwaddr *start);
uint32_t riscv_load_fdt(hwaddr dram_start, uint64_t dram_size, void *fdt);
void riscv_setup_rom_reset_vec(MachineState *machine, RISCVHartArrayState harts,
void riscv_setup_rom_reset_vec(MachineState *machine, RISCVHartArrayState *harts,
hwaddr saddr,
hwaddr rom_base, hwaddr rom_size,
uint64_t kernel_entry,