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[Qemu-devel] [PATCH qom-next v2 18/33] target-arm: Convert cp15 crn=10 r
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH qom-next v2 18/33] target-arm: Convert cp15 crn=10 registers |
Date: |
Mon, 14 May 2012 20:03:17 +0100 |
We RAZ/WI the entire block of crn=10 registers. Note that this
actually covers not just the implementation-defined TLB
lockdown registers but also a number of v7 VMSA memory
attribute registers which we would need to implement to
support TEX remap. We retain the previous QEMU behaviour
in this conversion, though.
Signed-off-by: Peter Maydell <address@hidden>
---
target-arm/helper.c | 11 +++++------
1 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/target-arm/helper.c b/target-arm/helper.c
index c19ba9e..e83f1c8 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -111,6 +111,11 @@ static const ARMCPRegInfo cp_reginfo[] = {
{ .name = "CONTEXTIDR", .cp = 15, .crn = 13, .crm = 0, .opc1 = 0, .opc2 =
1,
.access = PL1_RW, .fieldoffset = offsetof(CPUARMState, cp15.c13_fcse),
.resetvalue = 0, .writefn = contextidr_write },
+ /* ??? This covers not just the impdef TLB lockdown registers but also
+ * some v7VMSA registers relating to TEX remap, so it is overly broad.
+ */
+ { .name = "TLB_LOCKDOWN", .cp = 15, .crn = 10, .crm = CP_ANY,
+ .opc1 = CP_ANY, .opc2 = CP_ANY, .access = PL1_RW, .type = ARM_CP_NOP },
REGINFO_SENTINEL
};
@@ -1800,9 +1805,6 @@ void HELPER(set_cp15)(CPUARMState *env, uint32_t insn,
uint32_t val)
goto bad_reg;
}
break;
- case 10: /* MMU TLB lockdown. */
- /* ??? TLB lockdown not implemented. */
- break;
case 12: /* Reserved. */
goto bad_reg;
case 15: /* Implementation specific. */
@@ -2080,9 +2082,6 @@ uint32_t HELPER(get_cp15)(CPUARMState *env, uint32_t insn)
goto bad_reg;
}
break;
- case 10: /* MMU TLB lockdown. */
- /* ??? TLB lockdown not implemented. */
- return 0;
case 11: /* TCM DMA control. */
case 12: /* Reserved. */
goto bad_reg;
--
1.7.1
- [Qemu-devel] [PATCH qom-next v2 23/33] target-arm: Convert cp15 crn=6 registers, (continued)
- [Qemu-devel] [PATCH qom-next v2 23/33] target-arm: Convert cp15 crn=6 registers, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 21/33] target-arm: Convert cp15 VA-PA translation registers, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 24/33] target-arm: Convert cp15 crn=9 registers, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 20/33] target-arm: Convert cp15 MMU TLB control, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 22/33] target-arm: convert cp15 crn=7 registers, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 08/33] target-arm: Convert debug registers to cp_reginfo, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 12/33] target-arm: Convert performance monitor registers, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 14/33] target-arm: Convert cp15 c3 register, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 15/33] target-arm: Convert MMU fault status cp15 registers, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 13/33] target-arm: Convert generic timer cp15 regs, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 18/33] target-arm: Convert cp15 crn=10 registers,
Peter Maydell <=
- [Qemu-devel] [PATCH qom-next v2 06/33] target-arm: Remove old cpu_arm_set_cp_io infrastructure, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 05/33] hw/pxa2xx_pic: Convert coprocessor registers to new scheme, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 01/33] target-arm: Fix 11MPCore cache type register value, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 03/33] hw/pxa2xx: Convert cp14 perf registers to new scheme, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 02/33] target-arm: initial coprocessor register framework, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 10/33] target-arm: Convert WFI/barriers special cases to cp_reginfo, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 07/33] target-arm: Add register_cp_regs_for_features(), Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 16/33] target-arm: Convert cp15 crn=2 registers, Peter Maydell, 2012/05/14
- [Qemu-devel] [PATCH qom-next v2 19/33] target-arm: Convert cp15 crn=15 registers, Peter Maydell, 2012/05/14