[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v4 30/33] target-arm: make PAR banked
From: |
greg . bellows |
Subject: |
[Qemu-devel] [PATCH v4 30/33] target-arm: make PAR banked |
Date: |
Mon, 30 Jun 2014 18:09:30 -0500 |
From: Fabian Aggeler <address@hidden>
When EL3 is running in Aarch32 (or ARMv7 with Security Extensions)
PAR has a secure and a non-secure instance.
Signed-off-by: Fabian Aggeler <address@hidden>
Signed-off-by: Greg Bellows <address@hidden>
-------------
v3 -> v4
- Fix par union/structure definition
Signed-off-by: Greg Bellows <address@hidden>
---
target-arm/cpu.h | 10 +++++++++-
target-arm/helper.c | 25 ++++++++++++++-----------
2 files changed, 23 insertions(+), 12 deletions(-)
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index f29bcaa..d5cad97 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -294,7 +294,15 @@ typedef struct CPUARMState {
};
uint64_t far_el[4];
};
- uint64_t par_el1; /* Translation result. */
+ union { /* Translation result. */
+ struct {
+ uint64_t par_ns;
+ uint64_t par_s;
+ };
+ struct {
+ uint64_t par_el1;
+ };
+ };
uint32_t c9_insn; /* Cache lockdown registers. */
uint32_t c9_data;
uint32_t c9_pmcr; /* performance monitor control register */
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 3cc6d42..1178a79 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -1281,7 +1281,7 @@ static void ats_write(CPUARMState *env, const
ARMCPRegInfo *ri, uint64_t value)
* fault.
*/
}
- env->cp15.par_el1 = par64;
+ A32_BANKED_CURRENT_REG_SET(env, par, par64);
} else {
/* ret is a DFSR/IFSR value for the short descriptor
* translation table format (with WnR always clear).
@@ -1291,14 +1291,16 @@ static void ats_write(CPUARMState *env, const
ARMCPRegInfo *ri, uint64_t value)
/* We do not set any attribute bits in the PAR */
if (page_size == (1 << 24)
&& arm_feature(env, ARM_FEATURE_V7)) {
- env->cp15.par_el1 = (phys_addr & 0xff000000) | 1 << 1;
+ A32_BANKED_CURRENT_REG_SET(env, par,
+ (phys_addr & 0xff000000) | 1 << 1);
} else {
- env->cp15.par_el1 = phys_addr & 0xfffff000;
+ A32_BANKED_CURRENT_REG_SET(env, par, phys_addr & 0xfffff000);
}
} else {
- env->cp15.par_el1 = ((ret & (1 << 10)) >> 5) |
- ((ret & (1 << 12)) >> 6) |
- ((ret & 0xf) << 1) | 1;
+ A32_BANKED_CURRENT_REG_SET(env, par,
+ ((ret & (1 << 10)) >> 5) |
+ ((ret & (1 << 12)) >> 6) |
+ ((ret & 0xf) << 1) | 1);
}
}
}
@@ -1306,9 +1308,9 @@ static void ats_write(CPUARMState *env, const
ARMCPRegInfo *ri, uint64_t value)
static const ARMCPRegInfo vapa_cp_reginfo[] = {
{ .name = "PAR", .cp = 15, .crn = 7, .crm = 4, .opc1 = 0, .opc2 = 0,
- .access = PL1_RW, .resetvalue = 0,
- .fieldoffset = offsetoflow32(CPUARMState, cp15.par_el1),
- .writefn = par_write },
+ .access = PL1_RW, .resetvalue = 0, .writefn = par_write,
+ .bank_fieldoffsets = { offsetoflow32(CPUARMState, cp15.par_s),
+ offsetoflow32(CPUARMState, cp15.par_ns) } },
#ifndef CONFIG_USER_ONLY
{ .name = "ATS", .cp = 15, .crn = 7, .crm = 8, .opc1 = 0, .opc2 = CP_ANY,
.access = PL1_W, .accessfn = ats_access,
@@ -1766,8 +1768,9 @@ static const ARMCPRegInfo lpae_cp_reginfo[] = {
{ .name = "DBGDSAR", .cp = 14, .crm = 2, .opc1 = 0,
.access = PL0_R, .type = ARM_CP_CONST|ARM_CP_64BIT, .resetvalue = 0 },
{ .name = "PAR", .cp = 15, .crm = 7, .opc1 = 0,
- .access = PL1_RW, .type = ARM_CP_64BIT,
- .fieldoffset = offsetof(CPUARMState, cp15.par_el1), .resetvalue = 0 },
+ .access = PL1_RW, .type = ARM_CP_64BIT, .resetvalue = 0,
+ .bank_fieldoffsets = { offsetof(CPUARMState, cp15.par_s),
+ offsetof(CPUARMState, cp15.par_ns)} },
{ .name = "TTBR0", .cp = 15, .crm = 2, .opc1 = 0,
.access = PL1_RW, .type = ARM_CP_64BIT | ARM_CP_NO_MIGRATE,
.bank_fieldoffsets = { offsetof(CPUARMState, cp15.ttbr0_s),
--
1.8.3.2
- [Qemu-devel] [PATCH v4 23/33] target-arm: add TTBR0_EL3 and make TTBR0/1 banked, (continued)
- [Qemu-devel] [PATCH v4 23/33] target-arm: add TTBR0_EL3 and make TTBR0/1 banked, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 24/33] target-arm: add TCR_EL3 and make TTBCR banked, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 25/33] target-arm: make c2_mask and c2_base_mask banked, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 26/33] target-arm: make DACR banked, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 27/33] target-arm: make IFSR banked, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 28/33] target-arm: make DFSR banked, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 29/33] target-arm: make IFAR/DFAR banked, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 32/33] target-arm: make c13 cp regs banked (FCSEIDR, ...), greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 33/33] target-arm: Limit migration of duplicate CP regs, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 31/33] target-arm: make VBAR banked, greg . bellows, 2014/06/30
- [Qemu-devel] [PATCH v4 30/33] target-arm: make PAR banked,
greg . bellows <=