diff options
| author | Cédric Le Goater <clg@kaod.org> | 2016-08-02 19:38:01 +0200 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-09-07 12:40:12 +1000 |
| commit | 3654fa95bc29e72c2eef22f26eb621af1f86feec (patch) | |
| tree | 8e69f523b29fa7b593aac6063cea5c23e8897668 /hw/ppc/spapr.c | |
| parent | ce9863b7978976492efc2b57589516f3fcae79cb (diff) | |
hw/ppc: add a ppc_create_page_sizes_prop() helper routine
The exact same routine will be used in PowerNV.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/ppc/spapr.c')
| -rw-r--r-- | hw/ppc/spapr.c | 36 |
1 files changed, 1 insertions, 35 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 7ec27511f5..ca77bb0dea 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -250,40 +250,6 @@ static int spapr_fixup_cpu_dt(void *fdt, sPAPRMachineState *spapr) return ret; } - -static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop, - size_t maxsize) -{ - size_t maxcells = maxsize / sizeof(uint32_t); - int i, j, count; - uint32_t *p = prop; - - for (i = 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) { - struct ppc_one_seg_page_size *sps = &env->sps.sps[i]; - - if (!sps->page_shift) { - break; - } - for (count = 0; count < PPC_PAGE_SIZES_MAX_SZ; count++) { - if (sps->enc[count].page_shift == 0) { - break; - } - } - if ((p - prop) >= (maxcells - 3 - count * 2)) { - break; - } - *(p++) = cpu_to_be32(sps->page_shift); - *(p++) = cpu_to_be32(sps->slb_enc); - *(p++) = cpu_to_be32(count); - for (j = 0; j < count; j++) { - *(p++) = cpu_to_be32(sps->enc[j].page_shift); - *(p++) = cpu_to_be32(sps->enc[j].pte_enc); - } - } - - return (p - prop) * sizeof(uint32_t); -} - static hwaddr spapr_node0_size(void) { MachineState *machine = MACHINE(qdev_get_machine()); @@ -689,7 +655,7 @@ static void spapr_populate_cpu_dt(CPUState *cs, void *fdt, int offset, _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1))); } - page_sizes_prop_size = create_page_sizes_prop(env, page_sizes_prop, + page_sizes_prop_size = ppc_create_page_sizes_prop(env, page_sizes_prop, sizeof(page_sizes_prop)); if (page_sizes_prop_size) { _FDT((fdt_setprop(fdt, offset, "ibm,segment-page-sizes", |