[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 1/3] Add support for 64bit ARM system registers
From: |
Alexey Starikovskiy |
Subject: |
[Qemu-devel] [PATCH 1/3] Add support for 64bit ARM system registers |
Date: |
Wed, 14 Mar 2012 00:43:20 +0400 |
User-agent: |
StGit/0.15 |
Signed-off-by: Alexey Starikovskiy <address@hidden>
---
target-arm/cpu.h | 10 ++++------
target-arm/helper.c | 14 +++++++-------
target-arm/machine.c | 16 ++++++----------
3 files changed, 17 insertions(+), 23 deletions(-)
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index 0d9b39c..0298a98 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -117,11 +117,9 @@ typedef struct CPUARMState {
uint32_t c1_coproc; /* Coprocessor access register. */
uint32_t c1_xscaleauxcr; /* XScale auxiliary control register. */
uint32_t c1_scr; /* secure config register. */
- uint32_t c2_base0; /* MMU translation table base 0. */
- uint32_t c2_base1; /* MMU translation table base 1. */
+ uint64_t c2_base0; /* MMU translation table base 0. */
+ uint64_t c2_base1; /* MMU translation table base 1. */
uint32_t c2_control; /* MMU translation table base control. */
- uint32_t c2_mask; /* MMU translation table base selection mask. */
- uint32_t c2_base_mask; /* MMU translation table base 0 mask. */
uint32_t c2_data; /* MPU data cachable bits. */
uint32_t c2_insn; /* MPU instruction cachable bits. */
uint32_t c3; /* MMU domain access control register
@@ -131,7 +129,7 @@ typedef struct CPUARMState {
uint32_t c6_region[8]; /* MPU base/size registers. */
uint32_t c6_insn; /* Fault address registers. */
uint32_t c6_data;
- uint32_t c7_par; /* Translation result. */
+ uint64_t c7_par; /* Translation result. */
uint32_t c9_insn; /* Cache lockdown registers. */
uint32_t c9_data;
uint32_t c9_pmcr; /* performance monitor control register */
@@ -455,7 +453,7 @@ void cpu_arm_set_cp_io(CPUARMState *env, int cpnum,
#define cpu_signal_handler cpu_arm_signal_handler
#define cpu_list arm_cpu_list
-#define CPU_SAVE_VERSION 6
+#define CPU_SAVE_VERSION 7
/* MMU modes definitions */
#define MMU_MODE0_SUFFIX _kernel
diff --git a/target-arm/helper.c b/target-arm/helper.c
index abe1c30..d190104 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -325,7 +325,6 @@ void cpu_reset(CPUARMState *env)
}
}
env->vfp.xregs[ARM_VFP_FPEXC] = 0;
- env->cp15.c2_base_mask = 0xffffc000u;
/* v7 performance monitor control register: same implementor
* field as main ID register, and we implement no event counters.
*/
@@ -1050,12 +1049,15 @@ static inline int check_ap(CPUState *env, int ap, int
domain_prot,
static uint32_t get_level1_table_address(CPUState *env, uint32_t address)
{
uint32_t table;
+ int t0size = env->cp15.c2_control & 0x7;
+ uint32_t mask = ~(((uint32_t)0xffffffffu) >> t0size);
- if (address & env->cp15.c2_mask)
+ if (address & mask) {
table = env->cp15.c2_base1 & 0xffffc000;
- else
- table = env->cp15.c2_base0 & env->cp15.c2_base_mask;
-
+ } else {
+ mask = ~((uint32_t)0x3fffu >> t0size);
+ table = env->cp15.c2_base0 & mask;
+ }
table |= (address >> 18) & 0x3ffc;
return table;
}
@@ -1531,8 +1533,6 @@ void HELPER(set_cp15)(CPUState *env, uint32_t insn,
uint32_t val)
case 2:
val &= 7;
env->cp15.c2_control = val;
- env->cp15.c2_mask = ~(((uint32_t)0xffffffffu) >> val);
- env->cp15.c2_base_mask = ~((uint32_t)0x3fffu >> val);
break;
default:
goto bad_reg;
diff --git a/target-arm/machine.c b/target-arm/machine.c
index f66b8df..8fa738e 100644
--- a/target-arm/machine.c
+++ b/target-arm/machine.c
@@ -27,11 +27,9 @@ void cpu_save(QEMUFile *f, void *opaque)
qemu_put_be32(f, env->cp15.c1_coproc);
qemu_put_be32(f, env->cp15.c1_xscaleauxcr);
qemu_put_be32(f, env->cp15.c1_scr);
- qemu_put_be32(f, env->cp15.c2_base0);
- qemu_put_be32(f, env->cp15.c2_base1);
+ qemu_put_be64(f, env->cp15.c2_base0);
+ qemu_put_be64(f, env->cp15.c2_base1);
qemu_put_be32(f, env->cp15.c2_control);
- qemu_put_be32(f, env->cp15.c2_mask);
- qemu_put_be32(f, env->cp15.c2_base_mask);
qemu_put_be32(f, env->cp15.c2_data);
qemu_put_be32(f, env->cp15.c2_insn);
qemu_put_be32(f, env->cp15.c3);
@@ -42,7 +40,7 @@ void cpu_save(QEMUFile *f, void *opaque)
}
qemu_put_be32(f, env->cp15.c6_insn);
qemu_put_be32(f, env->cp15.c6_data);
- qemu_put_be32(f, env->cp15.c7_par);
+ qemu_put_be64(f, env->cp15.c7_par);
qemu_put_be32(f, env->cp15.c9_insn);
qemu_put_be32(f, env->cp15.c9_data);
qemu_put_be32(f, env->cp15.c9_pmcr);
@@ -145,11 +143,9 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
env->cp15.c1_coproc = qemu_get_be32(f);
env->cp15.c1_xscaleauxcr = qemu_get_be32(f);
env->cp15.c1_scr = qemu_get_be32(f);
- env->cp15.c2_base0 = qemu_get_be32(f);
- env->cp15.c2_base1 = qemu_get_be32(f);
+ env->cp15.c2_base0 = qemu_get_be64(f);
+ env->cp15.c2_base1 = qemu_get_be64(f);
env->cp15.c2_control = qemu_get_be32(f);
- env->cp15.c2_mask = qemu_get_be32(f);
- env->cp15.c2_base_mask = qemu_get_be32(f);
env->cp15.c2_data = qemu_get_be32(f);
env->cp15.c2_insn = qemu_get_be32(f);
env->cp15.c3 = qemu_get_be32(f);
@@ -160,7 +156,7 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
}
env->cp15.c6_insn = qemu_get_be32(f);
env->cp15.c6_data = qemu_get_be32(f);
- env->cp15.c7_par = qemu_get_be32(f);
+ env->cp15.c7_par = qemu_get_be64(f);
env->cp15.c9_insn = qemu_get_be32(f);
env->cp15.c9_data = qemu_get_be32(f);
env->cp15.c9_pmcr = qemu_get_be32(f);