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Code Pull Requests Activity

Access memory through the scope of current privilege level (#386)

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* add opcode for csrrsi and csrrci

* enable MMU while reading/writing memory using progbuf

* fix style issues

* keep old behavior for progbufsize<4, perform r/w/csr only when necessary

* do not pass progbufsize, only write mstatus if changed

* add config option to enable virtualization feature

* throw error if virt enabled but unavaliable, outsource modify_privilege

* support virtualization for read_memory_progbuf_one
This commit is contained in:
Nils Wistoff
2019-07-18 22:15:28 +02:00
committed by Tim Newsome
parent 09016bcb6e
commit 239a515a9c
7 changed files with 143 additions and 0 deletions
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src/target/riscv/program.h
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@@ -63,6 +63,8 @@ int riscv_program_swr(struct riscv_program *p, enum gdb_regno s, enum gdb_regno
int riscv_program_shr(struct riscv_program *p, enum gdb_regno s, enum gdb_regno a, int o);
int riscv_program_sbr(struct riscv_program *p, enum gdb_regno s, enum gdb_regno a, int o);
int riscv_program_csrrsi(struct riscv_program *p, enum gdb_regno d, unsigned int z, enum gdb_regno csr);
int riscv_program_csrrci(struct riscv_program *p, enum gdb_regno d, unsigned int z, enum gdb_regno csr);
int riscv_program_csrr(struct riscv_program *p, enum gdb_regno d, enum gdb_regno csr);
int riscv_program_csrw(struct riscv_program *p, enum gdb_regno s, enum gdb_regno csr);