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target/ppc: Split page size information into a separate allocation

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env->sps contains page size encoding information as an embedded structure.
Since this information is specific to 64-bit hash MMUs, split it out into
a separately allocated structure, to reduce the basic env size for other
cpus.  Along the way we make a few other cleanups:

    * Rename to PPCHash64Options which is more in line with qemu name
      conventions, and reflects that we're going to merge some more hash64
      mmu specific details in there in future.  Also rename its
      substructures to match qemu conventions.

    * Move structure definitions to the mmu-hash64.[ch] files.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
David Gibson 2018-03-23 13:31:52 +11:00
parent a059471d25
commit b07c59f7c8
7 changed files with 80 additions and 77 deletions
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4
target/ppc/cpu-qom.h
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@ -160,7 +160,7 @@ enum powerpc_input_t {
PPC_FLAGS_INPUT_RCPU,
};
struct ppc_segment_page_sizes;
typedef struct PPCHash64Options PPCHash64Options;
/**
* PowerPCCPUClass:
@ -194,7 +194,7 @@ typedef struct PowerPCCPUClass {
uint32_t flags;
int bfd_mach;
uint32_t l1_dcache_size, l1_icache_size;
const struct ppc_segment_page_sizes *sps;
const PPCHash64Options *hash64_opts;
struct ppc_radix_page_info *radix_page_info;
void (*init_proc)(CPUPPCState *env);
int (*check_pow)(CPUPPCState *env);