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Diffstat (limited to 'target/riscv/csr.c')
-rw-r--r--target/riscv/csr.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 5e50683c58..7dc50e6299 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -883,12 +883,25 @@ static int write_hideleg(CPURISCVState *env, int csrno, target_ulong val)
return 0;
}
+static int rmw_hvip(CPURISCVState *env, int csrno, target_ulong *ret_value,
+ target_ulong new_value, target_ulong write_mask)
+{
+ int ret = rmw_mip(env, 0, ret_value, new_value,
+ write_mask & hip_writable_mask);
+
+ *ret_value &= hip_writable_mask;
+
+ return ret;
+}
+
static int rmw_hip(CPURISCVState *env, int csrno, target_ulong *ret_value,
target_ulong new_value, target_ulong write_mask)
{
int ret = rmw_mip(env, 0, ret_value, new_value,
write_mask & hip_writable_mask);
+ *ret_value &= hip_writable_mask;
+
return ret;
}
@@ -916,6 +929,18 @@ static int write_hcounteren(CPURISCVState *env, int csrno, target_ulong val)
return 0;
}
+static int read_hgeie(CPURISCVState *env, int csrno, target_ulong *val)
+{
+ qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN.");
+ return 0;
+}
+
+static int write_hgeie(CPURISCVState *env, int csrno, target_ulong val)
+{
+ qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN.");
+ return 0;
+}
+
static int read_htval(CPURISCVState *env, int csrno, target_ulong *val)
{
*val = env->htval;
@@ -939,6 +964,18 @@ static int write_htinst(CPURISCVState *env, int csrno, target_ulong val)
return 0;
}
+static int read_hgeip(CPURISCVState *env, int csrno, target_ulong *val)
+{
+ qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN.");
+ return 0;
+}
+
+static int write_hgeip(CPURISCVState *env, int csrno, target_ulong val)
+{
+ qemu_log_mask(LOG_UNIMP, "No support for a non-zero GEILEN.");
+ return 0;
+}
+
static int read_hgatp(CPURISCVState *env, int csrno, target_ulong *val)
{
*val = env->hgatp;
@@ -1341,11 +1378,14 @@ static riscv_csr_operations csr_ops[CSR_TABLE_SIZE] = {
[CSR_HSTATUS] = { hmode, read_hstatus, write_hstatus },
[CSR_HEDELEG] = { hmode, read_hedeleg, write_hedeleg },
[CSR_HIDELEG] = { hmode, read_hideleg, write_hideleg },
+ [CSR_HVIP] = { hmode, NULL, NULL, rmw_hvip },
[CSR_HIP] = { hmode, NULL, NULL, rmw_hip },
[CSR_HIE] = { hmode, read_hie, write_hie },
[CSR_HCOUNTEREN] = { hmode, read_hcounteren, write_hcounteren },
+ [CSR_HGEIE] = { hmode, read_hgeie, write_hgeie },
[CSR_HTVAL] = { hmode, read_htval, write_htval },
[CSR_HTINST] = { hmode, read_htinst, write_htinst },
+ [CSR_HGEIP] = { hmode, read_hgeip, write_hgeip },
[CSR_HGATP] = { hmode, read_hgatp, write_hgatp },
[CSR_HTIMEDELTA] = { hmode, read_htimedelta, write_htimedelta },
#if defined(TARGET_RISCV32)