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[PATCH 1/4] target/riscv: Make csr_ops[CSR_TABLE_SIZE] external
From: |
Bin Meng |
Subject: |
[PATCH 1/4] target/riscv: Make csr_ops[CSR_TABLE_SIZE] external |
Date: |
Tue, 12 Jan 2021 12:52:01 +0800 |
From: Bin Meng <bin.meng@windriver.com>
In preparation to generate the CSR register list for GDB stub
dynamically, change csr_ops[] to non-static so that it can be
referenced externally.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
---
target/riscv/cpu.h | 8 ++++++++
target/riscv/csr.c | 10 +---------
2 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 2649949..6f9e1cc 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -482,6 +482,14 @@ typedef struct {
riscv_csr_op_fn op;
} riscv_csr_operations;
+/* CSR function table constants */
+enum {
+ CSR_TABLE_SIZE = 0x1000
+};
+
+/* CSR function table */
+extern riscv_csr_operations csr_ops[];
+
void riscv_get_csr_ops(int csrno, riscv_csr_operations *ops);
void riscv_set_csr_ops(int csrno, riscv_csr_operations *ops);
diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 10ab82e..507e8ee 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -23,14 +23,6 @@
#include "qemu/main-loop.h"
#include "exec/exec-all.h"
-/* CSR function table */
-static riscv_csr_operations csr_ops[];
-
-/* CSR function table constants */
-enum {
- CSR_TABLE_SIZE = 0x1000
-};
-
/* CSR function table public API */
void riscv_get_csr_ops(int csrno, riscv_csr_operations *ops)
{
@@ -1378,7 +1370,7 @@ int riscv_csrrw_debug(CPURISCVState *env, int csrno,
target_ulong *ret_value,
}
/* Control and Status Register function table */
-static riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
+riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
/* User Floating-Point CSRs */
[CSR_FFLAGS] = { fs, read_fflags, write_fflags },
[CSR_FRM] = { fs, read_frm, write_frm },
--
2.7.4