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[Qemu-devel] [PATCH 04/13] ARM: Make target_phys_addr_t 64 bits and phys
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH 04/13] ARM: Make target_phys_addr_t 64 bits and physaddrs 40 bits |
Date: |
Thu, 28 Jun 2012 15:35:57 +0100 |
Make target_phys_addr_t 64 bits for ARM targets, and set
TARGET_PHYS_ADDR_SPACE_BITS to 40. This should have no effect for ARM
boards where physical addresses really are 32 bits (except perhaps a
slight performance hit on 32 bit hosts for system emulation) but allows
us to implement the Large Physical Address Extensions for Cortex-A15,
which mean 40 bit physical addresses.
Signed-off-by: Peter Maydell <address@hidden>
---
configure | 2 +-
target-arm/cpu.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/configure b/configure
index 9f071b7..8b99262 100755
--- a/configure
+++ b/configure
@@ -3573,7 +3573,7 @@ case "$target_arch2" in
bflt="yes"
target_nptl="yes"
gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
- target_phys_bits=32
+ target_phys_bits=64
target_llong_alignment=4
target_libs_softmmu="$fdt_libs"
;;
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index 33afa18..aadfca0 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -619,7 +619,7 @@ static inline bool cp_access_ok(CPUARMState *env,
#define TARGET_PAGE_BITS 10
#endif
-#define TARGET_PHYS_ADDR_SPACE_BITS 32
+#define TARGET_PHYS_ADDR_SPACE_BITS 40
#define TARGET_VIRT_ADDR_SPACE_BITS 32
static inline CPUARMState *cpu_init(const char *cpu_model)
--
1.7.1
- [Qemu-devel] [PATCH 00/13] ARM: Add LPAE support, Peter Maydell, 2012/06/28
- [Qemu-devel] [PATCH 10/13] target-arm: Use target_phys_addr_t in get_phys_addr(), Peter Maydell, 2012/06/28
- [Qemu-devel] [PATCH 02/13] target-arm: Fix typo that meant TTBR1 accesses went to TTBR0, Peter Maydell, 2012/06/28
- [Qemu-devel] [PATCH 09/13] target-arm: Add 64 bit PAR, TTBR0, TTBR1 for LPAE, Peter Maydell, 2012/06/28
- [Qemu-devel] [PATCH 07/13] target-arm: Add AMAIR0, AMAIR1 LPAE cp15 registers, Peter Maydell, 2012/06/28
- [Qemu-devel] [PATCH 04/13] ARM: Make target_phys_addr_t 64 bits and physaddrs 40 bits,
Peter Maydell <=
- [Qemu-devel] [PATCH 08/13] target-arm: Add 64 bit variants of DBGDRAR and DBGDSAR for LPAE, Peter Maydell, 2012/06/28
- [Qemu-devel] [PATCH 12/13] target-arm: Implement TTBCR changes for LPAE, Peter Maydell, 2012/06/28
- [Qemu-devel] [PATCH 03/13] bitops.h: Add functions to extract and deposit bitfields, Peter Maydell, 2012/06/28
- [Qemu-devel] [PATCH 05/13] target-arm: Implement privileged-execute-never (PXN), Peter Maydell, 2012/06/28
- [Qemu-devel] [PATCH 11/13] target-arm: Implement long-descriptor PAR format, Peter Maydell, 2012/06/28
- [Qemu-devel] [PATCH 01/13] hw/cadence_gem: Make rx_desc_addr and tx_desc_addr uint32_t, Peter Maydell, 2012/06/28
- [Qemu-devel] [PATCH 13/13] target-arm: Add support for long format translation table walks, Peter Maydell, 2012/06/28
- [Qemu-devel] [PATCH 06/13] target-arm: Extend feature flags to 64 bits, Peter Maydell, 2012/06/28