From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48527) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bh7EF-00011e-JU for qemu-devel@nongnu.org; Mon, 05 Sep 2016 23:39:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bh7E6-0007B4-Gm for qemu-devel@nongnu.org; Mon, 05 Sep 2016 23:39:19 -0400 From: David Gibson Date: Tue, 6 Sep 2016 13:40:43 +1000 Message-Id: <1473133253-17598-57-git-send-email-david@gibson.dropbear.id.au> In-Reply-To: <1473133253-17598-1-git-send-email-david@gibson.dropbear.id.au> References: <1473133253-17598-1-git-send-email-david@gibson.dropbear.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PULL 56/66] hw/ppc: add a ppc_create_page_sizes_prop() helper routine List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: peter.maydell@linearo.org Cc: agraf@suse.de, qemu-devel@nongnu.org, qemu-ppc@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , David Gibson From: C=C3=A9dric Le Goater The exact same routine will be used in PowerNV. Signed-off-by: C=C3=A9dric Le Goater Signed-off-by: David Gibson --- hw/ppc/Makefile.objs | 2 +- hw/ppc/fdt.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++= +++ hw/ppc/spapr.c | 36 +----------------------------------- include/hw/ppc/fdt.h | 5 +++++ 4 files changed, 56 insertions(+), 36 deletions(-) create mode 100644 hw/ppc/fdt.c diff --git a/hw/ppc/Makefile.objs b/hw/ppc/Makefile.objs index 91a3420..99a0d4e 100644 --- a/hw/ppc/Makefile.objs +++ b/hw/ppc/Makefile.objs @@ -1,5 +1,5 @@ # shared objects -obj-y +=3D ppc.o ppc_booke.o +obj-y +=3D ppc.o ppc_booke.o fdt.o # IBM pSeries (sPAPR) obj-$(CONFIG_PSERIES) +=3D spapr.o spapr_vio.o spapr_events.o obj-$(CONFIG_PSERIES) +=3D spapr_hcall.o spapr_iommu.o spapr_rtas.o diff --git a/hw/ppc/fdt.c b/hw/ppc/fdt.c new file mode 100644 index 0000000..e67d60d --- /dev/null +++ b/hw/ppc/fdt.c @@ -0,0 +1,49 @@ +/* + * QEMU PowerPC helper routines for the device tree. + * + * Copyright (C) 2016 IBM Corp. + * + * This code is licensed under the GPL version 2 or later. See the + * COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "target-ppc/cpu.h" + +#include "hw/ppc/fdt.h" + +#if defined(TARGET_PPC64) +size_t ppc_create_page_sizes_prop(CPUPPCState *env, uint32_t *prop, + size_t maxsize) +{ + size_t maxcells =3D maxsize / sizeof(uint32_t); + int i, j, count; + uint32_t *p =3D prop; + + for (i =3D 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) { + struct ppc_one_seg_page_size *sps =3D &env->sps.sps[i]; + + if (!sps->page_shift) { + break; + } + for (count =3D 0; count < PPC_PAGE_SIZES_MAX_SZ; count++) { + if (sps->enc[count].page_shift =3D=3D 0) { + break; + } + } + if ((p - prop) >=3D (maxcells - 3 - count * 2)) { + break; + } + *(p++) =3D cpu_to_be32(sps->page_shift); + *(p++) =3D cpu_to_be32(sps->slb_enc); + *(p++) =3D cpu_to_be32(count); + for (j =3D 0; j < count; j++) { + *(p++) =3D cpu_to_be32(sps->enc[j].page_shift); + *(p++) =3D cpu_to_be32(sps->enc[j].pte_enc); + } + } + + return (p - prop) * sizeof(uint32_t); +} +#endif diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 7ec2751..ca77bb0 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -250,40 +250,6 @@ static int spapr_fixup_cpu_dt(void *fdt, sPAPRMachin= eState *spapr) return ret; } =20 - -static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop, - size_t maxsize) -{ - size_t maxcells =3D maxsize / sizeof(uint32_t); - int i, j, count; - uint32_t *p =3D prop; - - for (i =3D 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) { - struct ppc_one_seg_page_size *sps =3D &env->sps.sps[i]; - - if (!sps->page_shift) { - break; - } - for (count =3D 0; count < PPC_PAGE_SIZES_MAX_SZ; count++) { - if (sps->enc[count].page_shift =3D=3D 0) { - break; - } - } - if ((p - prop) >=3D (maxcells - 3 - count * 2)) { - break; - } - *(p++) =3D cpu_to_be32(sps->page_shift); - *(p++) =3D cpu_to_be32(sps->slb_enc); - *(p++) =3D cpu_to_be32(count); - for (j =3D 0; j < count; j++) { - *(p++) =3D cpu_to_be32(sps->enc[j].page_shift); - *(p++) =3D cpu_to_be32(sps->enc[j].pte_enc); - } - } - - return (p - prop) * sizeof(uint32_t); -} - static hwaddr spapr_node0_size(void) { MachineState *machine =3D 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))); } =20 - page_sizes_prop_size =3D create_page_sizes_prop(env, page_sizes_prop= , + page_sizes_prop_size =3D 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", diff --git a/include/hw/ppc/fdt.h b/include/hw/ppc/fdt.h index 2e5c61a..2c68d16 100644 --- a/include/hw/ppc/fdt.h +++ b/include/hw/ppc/fdt.h @@ -12,6 +12,8 @@ =20 #include "qemu/error-report.h" =20 +typedef struct CPUPPCState CPUPPCState; + #define _FDT(exp) \ do { \ int ret =3D (exp); \ @@ -22,4 +24,7 @@ } \ } while (0) =20 +size_t ppc_create_page_sizes_prop(CPUPPCState *env, uint32_t *prop, + size_t maxsize); + #endif /* PPC_FDT_H */ --=20 2.7.4