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target-arm: Add registers for PMSAv7

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Define the arm CP registers for PMSAv7 and their accessor functions.
RGNR serves as a shared index that indexes into arrays storing the
DRBAR, DRSR and DRACR registers. DRBAR and friends have to be VMSDd
separately from the CP interface using a new PMSA specific VMSD
subsection.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 172cf135fbd8f5cea413c00e71cc1c3cac704744.1434501320.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Crosthwaite 2015-06-19 14:17:44 +01:00 • committed by Peter Maydell
parent 3281af8114
commit 6cb0b013a1
4 changed files with 133 additions and 7 deletions
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10
target-arm/cpu.h
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@ -284,6 +284,9 @@ typedef struct CPUARMState {
};
uint64_t par_el[4];
};
uint32_t c6_rgnr;
uint32_t c9_insn; /* Cache lockdown registers. */
uint32_t c9_data;
uint64_t c9_pmcr; /* performance monitor control register */
@ -482,6 +485,13 @@ typedef struct CPUARMState {
/* Internal CPU feature flags. */
uint64_t features;
/* PMSAv7 MPU */
struct {
uint32_t *drbar;
uint32_t *drsr;
uint32_t *dracr;
} pmsav7;
void *nvic;
const struct arm_boot_info *boot_info;
} CPUARMState;