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target/riscv: Replace riscv_cpu_is_32bit with riscv_cpu_mxl

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Shortly, the set of supported XL will not be just 32 and 64,
and representing that properly using the enumeration will be
imperative.

Two places, booting and gdb, intentionally use misa_mxl_max
to emphasize the use of the reset value of misa.mxl, and not
the current cpu state.

Reviewed-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20211020031709.359469-5-richard.henderson@linaro.org
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Richard Henderson 2021-10-19 20:16:58 -07:00 • committed by Alistair Francis
parent e91a7227cb
commit db23e5d981
8 changed files with 45 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

12
target/riscv/cpu_helper.c
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@ -152,7 +152,7 @@ bool riscv_cpu_fp_enabled(CPURISCVState *env)
void riscv_cpu_swap_hypervisor_regs(CPURISCVState *env)
{
uint64_t sd = riscv_cpu_is_32bit(env) ? MSTATUS32_SD : MSTATUS64_SD;
uint64_t sd = riscv_cpu_mxl(env) == MXL_RV32 ? MSTATUS32_SD : MSTATUS64_SD;
uint64_t mstatus_mask = MSTATUS_MXR | MSTATUS_SUM | MSTATUS_FS |
MSTATUS_SPP | MSTATUS_SPIE | MSTATUS_SIE |
MSTATUS64_UXL | sd;
@ -447,7 +447,7 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical,
if (first_stage == true) {
if (use_background) {
if (riscv_cpu_is_32bit(env)) {
if (riscv_cpu_mxl(env) == MXL_RV32) {
base = (hwaddr)get_field(env->vsatp, SATP32_PPN) << PGSHIFT;
vm = get_field(env->vsatp, SATP32_MODE);
} else {
@ -455,7 +455,7 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical,
vm = get_field(env->vsatp, SATP64_MODE);
}
} else {
if (riscv_cpu_is_32bit(env)) {
if (riscv_cpu_mxl(env) == MXL_RV32) {
base = (hwaddr)get_field(env->satp, SATP32_PPN) << PGSHIFT;
vm = get_field(env->satp, SATP32_MODE);
} else {
@ -465,7 +465,7 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical,
}
widened = 0;
} else {
if (riscv_cpu_is_32bit(env)) {
if (riscv_cpu_mxl(env) == MXL_RV32) {
base = (hwaddr)get_field(env->hgatp, SATP32_PPN) << PGSHIFT;
vm = get_field(env->hgatp, SATP32_MODE);
} else {
@ -558,7 +558,7 @@ restart:
}
target_ulong pte;
if (riscv_cpu_is_32bit(env)) {
if (riscv_cpu_mxl(env) == MXL_RV32) {
pte = address_space_ldl(cs->as, pte_addr, attrs, &res);
} else {
pte = address_space_ldq(cs->as, pte_addr, attrs, &res);
@ -678,7 +678,7 @@ static void raise_mmu_exception(CPURISCVState *env, target_ulong address,
int page_fault_exceptions, vm;
uint64_t stap_mode;
if (riscv_cpu_is_32bit(env)) {
if (riscv_cpu_mxl(env) == MXL_RV32) {
stap_mode = SATP32_MODE;
} else {
stap_mode = SATP64_MODE;