# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Node ID 9fc1979e9b00216b82d32a875088b28778cbf5d4
# Parent fc6c3d866477a2a7454ba032281744b534d78bf8
# Parent b60ea69932b1a4d10c3aae945a1ce1aa160c689b
Merge with xen-ia64-unstable.
---
tools/libxc/xc_ppc_linux_build.c | 414 ---------------------------------
.hgignore | 8
tools/libxc/Makefile | 2
tools/libxc/powerpc64/Makefile | 1
tools/libxc/powerpc64/xc_linux_build.c | 408 ++++++++++++++++++++++++++++++++
xen/arch/powerpc/Makefile | 3
xen/arch/powerpc/boot_of.c | 8
xen/arch/powerpc/dom0_ops.c | 43 ++-
xen/arch/powerpc/domain.c | 29 +-
xen/arch/powerpc/of_handler/devtree.c | 2
xen/arch/powerpc/powerpc64/ppc970.c | 7
xen/arch/powerpc/usercopy.c | 4
xen/include/asm-powerpc/processor.h | 1
13 files changed, 486 insertions(+), 444 deletions(-)
diff -r fc6c3d866477 -r 9fc1979e9b00 .hgignore
--- a/.hgignore Wed Aug 09 10:32:23 2006 -0600
+++ b/.hgignore Wed Aug 09 18:15:27 2006 +0100
@@ -197,7 +197,7 @@
^xen/xen$
^xen/xen-syms$
^xen/xen\..*$
-^xen/arch/ppc/dom0\.bin$
-^xen/arch/ppc/asm-offsets\.s$
-^xen/arch/ppc/firmware
-^xen/arch/ppc/firmware_image
+^xen/arch/powerpc/dom0\.bin$
+^xen/arch/powerpc/asm-offsets\.s$
+^xen/arch/powerpc/firmware
+^xen/arch/powerpc/firmware_image
diff -r fc6c3d866477 -r 9fc1979e9b00 tools/libxc/Makefile
--- a/tools/libxc/Makefile Wed Aug 09 10:32:23 2006 -0600
+++ b/tools/libxc/Makefile Wed Aug 09 18:15:27 2006 +0100
@@ -29,7 +29,6 @@ GUEST_SRCS-y += xc_load_bin.c
GUEST_SRCS-y += xc_load_bin.c
GUEST_SRCS-y += xc_load_elf.c
GUEST_SRCS-y += xg_private.c
-GUEST_SRCS-$(CONFIG_POWERPC) += xc_ppc_linux_build.c
GUEST_SRCS-$(CONFIG_X86) += xc_linux_build.c
GUEST_SRCS-$(CONFIG_IA64) += xc_linux_build.c
GUEST_SRCS-$(CONFIG_MIGRATE) += xc_linux_restore.c xc_linux_save.c
@@ -140,3 +139,4 @@ libxenguest.so.$(MAJOR).$(MINOR): $(GUES
$(CC) $(CFLAGS) $(LDFLAGS) -Wl,-soname -Wl,libxenguest.so.$(MAJOR)
-shared -o $@ $^ -lz -lxenctrl
-include $(DEPS)
+
diff -r fc6c3d866477 -r 9fc1979e9b00 xen/arch/powerpc/Makefile
--- a/xen/arch/powerpc/Makefile Wed Aug 09 10:32:23 2006 -0600
+++ b/xen/arch/powerpc/Makefile Wed Aug 09 18:15:27 2006 +0100
@@ -83,6 +83,9 @@ physdev.o: ../x86/physdev.c
HDRS += $(wildcard *.h)
+CMDLINE = "xen"
+boot_of.o: CFLAGS += -DCMDLINE="\"$(CMDLINE)\""
+
start.o: boot/start.S
$(CC) $(CFLAGS) -D__ASSEMBLY__ -c $< -o $@
diff -r fc6c3d866477 -r 9fc1979e9b00 xen/arch/powerpc/boot_of.c
--- a/xen/arch/powerpc/boot_of.c Wed Aug 09 10:32:23 2006 -0600
+++ b/xen/arch/powerpc/boot_of.c Wed Aug 09 18:15:27 2006 +0100
@@ -36,6 +36,10 @@ static int of_out;
static int of_out;
static ofdn_t boot_cpu;
static char bootargs[256];
+
+#define COMMAND_LINE_SIZE 512
+static char builtin_cmdline[COMMAND_LINE_SIZE]
+ __attribute__((section("__builtin_cmdline"))) = CMDLINE;
extern struct ns16550_defaults ns16550;
@@ -449,8 +453,8 @@ static void boot_of_bootargs(multiboot_i
int rc;
rc = of_getprop(bof_chosen, "bootargs", &bootargs, sizeof (bootargs));
- if (rc == OF_FAILURE) {
- strcpy(bootargs, "xen");
+ if (rc == OF_FAILURE || bootargs[0] == '\0') {
+ strlcpy(bootargs, builtin_cmdline, sizeof(bootargs));
}
mbi->flags |= MBI_CMDLINE;
diff -r fc6c3d866477 -r 9fc1979e9b00 xen/arch/powerpc/dom0_ops.c
--- a/xen/arch/powerpc/dom0_ops.c Wed Aug 09 10:32:23 2006 -0600
+++ b/xen/arch/powerpc/dom0_ops.c Wed Aug 09 18:15:27 2006 +0100
@@ -40,23 +40,40 @@ long arch_do_dom0_op(struct dom0_op *op,
long ret = 0;
switch (op->cmd) {
- case DOM0_GETMEMLIST: {
- /* XXX 64M hackage */
- const int memsize = (64UL<<20);
- int domain_pfns = memsize>>12;
- int max_pfns = op->u.getmemlist.max_pfns;
- int domid = op->u.getmemlist.domain;
+ case DOM0_GETMEMLIST:
+ {
int i;
+ struct domain *d = find_domain_by_id(op->u.getmemlist.domain);
+ unsigned long max_pfns = op->u.getmemlist.max_pfns;
+ xen_pfn_t mfn;
+ struct list_head *list_ent;
- for (i = 0; (i < max_pfns) && (i < domain_pfns); i++) {
- xen_pfn_t mfn = (((domid + 1) * memsize) >> 12) + i;
- if (copy_to_guest_offset(op->u.getmemlist.buffer, i, &mfn, 1)) {
- ret = -EFAULT;
- break;
+ ret = -EINVAL;
+ if ( d != NULL )
+ {
+ ret = 0;
+
+ spin_lock(&d->page_alloc_lock);
+ list_ent = d->page_list.next;
+ for ( i = 0; (i < max_pfns) && (list_ent != &d->page_list); i++ )
+ {
+ mfn = page_to_mfn(list_entry(
+ list_ent, struct page_info, list));
+ if ( copy_to_guest_offset(op->u.getmemlist.buffer,
+ i, &mfn, 1) )
+ {
+ ret = -EFAULT;
+ break;
+ }
+ list_ent = mfn_to_page(mfn)->list.next;
}
+ spin_unlock(&d->page_alloc_lock);
+
+ op->u.getmemlist.num_pfns = i;
+ copy_to_guest(u_dom0_op, op, 1);
+
+ put_domain(d);
}
- op->u.getmemlist.num_pfns = i;
- copy_to_guest(u_dom0_op, op, 1);
}
break;
diff -r fc6c3d866477 -r 9fc1979e9b00 xen/arch/powerpc/domain.c
--- a/xen/arch/powerpc/domain.c Wed Aug 09 10:32:23 2006 -0600
+++ b/xen/arch/powerpc/domain.c Wed Aug 09 18:15:27 2006 +0100
@@ -73,6 +73,10 @@ unsigned long hypercall_create_continuat
int arch_domain_create(struct domain *d)
{
+ struct page_info *rma;
+ unsigned long rma_base;
+ unsigned long rma_size;
+ unsigned int rma_order;
if (d->domain_id == IDLE_DOMAIN_ID) {
d->shared_info = (void *)alloc_xenheap_page();
@@ -81,17 +85,28 @@ int arch_domain_create(struct domain *d)
return 0;
}
- /* XXX the hackage... hardcode 64M domains */
- d->arch.rma_base = (64<<20) * (d->domain_id + 1);
- d->arch.rma_size = (64<<20);
-
- printk("clearing RMO: 0x%lx[0x%lx]\n", d->arch.rma_base, d->arch.rma_size);
- memset((void*)d->arch.rma_base, 0, d->arch.rma_size);
+ rma_order = cpu_rma_order();
+ rma_size = 1UL << rma_order << PAGE_SHIFT;
+
+ /* allocate the real mode area */
+ d->max_pages = 1UL << rma_order;
+ rma = alloc_domheap_pages(d, rma_order, 0);
+ if (NULL == rma)
+ return 1;
+ rma_base = page_to_maddr(rma);
+
+ BUG_ON(rma_base & (rma_size-1)); /* check alignment */
+
+ d->arch.rma_base = rma_base;
+ d->arch.rma_size = rma_size;
+
+ printk("clearing RMO: 0x%lx[0x%lx]\n", rma_base, rma_size);
+ memset((void *)rma_base, 0, rma_size);
htab_alloc(d, LOG_DEFAULT_HTAB_BYTES);
d->shared_info = (shared_info_t *)
- (rma_addr(&d->arch, RMA_SHARED_INFO) + d->arch.rma_base);
+ (rma_addr(&d->arch, RMA_SHARED_INFO) + rma_base);
d->arch.large_page_sizes = 1;
d->arch.large_page_shift[0] = 24; /* 16 M for 970s */
diff -r fc6c3d866477 -r 9fc1979e9b00 xen/arch/powerpc/of_handler/devtree.c
--- a/xen/arch/powerpc/of_handler/devtree.c Wed Aug 09 10:32:23 2006 -0600
+++ b/xen/arch/powerpc/of_handler/devtree.c Wed Aug 09 18:15:27 2006 +0100
@@ -203,12 +203,14 @@ ofh_finddevice(u32 nargs, u32 nrets, s32
/* good enuff */
if (devspec[0] == '\0') {
if (*ap == -1) {
+ *ph = -1;
return OF_FAILURE;
}
*ph = *ap;
} else {
*ph = ofd_node_find(mem, devspec);
if (*ph <= 0) {
+ *ph = -1;
return OF_FAILURE;
}
}
diff -r fc6c3d866477 -r 9fc1979e9b00 xen/arch/powerpc/powerpc64/ppc970.c
--- a/xen/arch/powerpc/powerpc64/ppc970.c Wed Aug 09 10:32:23 2006 -0600
+++ b/xen/arch/powerpc/powerpc64/ppc970.c Wed Aug 09 18:15:27 2006 +0100
@@ -30,6 +30,12 @@
#include <asm/powerpc64/ppc970-hid.h>
#undef SERIALIZE
+
+unsigned int cpu_rma_order(void)
+{
+ /* XXX what about non-HV mode? */
+ return 14; /* 1<<14<<PAGE_SIZE = 64M */
+}
void cpu_initialize(void)
{
@@ -102,7 +108,6 @@ void cpu_initialize(void)
mthid5(hid5.word);
__asm__ __volatile__("isync; slbia; isync" : : : "memory");
-
}
void cpu_init_vcpu(struct vcpu *v)
diff -r fc6c3d866477 -r 9fc1979e9b00 xen/arch/powerpc/usercopy.c
--- a/xen/arch/powerpc/usercopy.c Wed Aug 09 10:32:23 2006 -0600
+++ b/xen/arch/powerpc/usercopy.c Wed Aug 09 18:15:27 2006 +0100
@@ -238,5 +238,5 @@ int xencomm_handle_is_null(void *ptr)
desc = (struct xencomm_desc *)paddr_to_maddr((unsigned long)ptr);
- return (desc->address[0] == XENCOMM_INVALID);
-}
+ return (desc->nr_addrs == 0);
+}
diff -r fc6c3d866477 -r 9fc1979e9b00 xen/include/asm-powerpc/processor.h
--- a/xen/include/asm-powerpc/processor.h Wed Aug 09 10:32:23 2006 -0600
+++ b/xen/include/asm-powerpc/processor.h Wed Aug 09 18:15:27 2006 +0100
@@ -39,6 +39,7 @@ struct cpu_user_regs;
struct cpu_user_regs;
extern void show_registers(struct cpu_user_regs *);
extern void show_execution_state(struct cpu_user_regs *);
+extern unsigned int cpu_rma_order(void);
extern void cpu_initialize(void);
extern void cpu_init_vcpu(struct vcpu *);
extern void save_cpu_sprs(struct vcpu *);
diff -r fc6c3d866477 -r 9fc1979e9b00 tools/libxc/powerpc64/Makefile
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/libxc/powerpc64/Makefile Wed Aug 09 18:15:27 2006 +0100
@@ -0,0 +1,1 @@
+GUEST_SRCS-y += powerpc64/xc_linux_build.c
diff -r fc6c3d866477 -r 9fc1979e9b00 tools/libxc/powerpc64/xc_linux_build.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/libxc/powerpc64/xc_linux_build.c Wed Aug 09 18:15:27 2006 +0100
@@ -0,0 +1,408 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) IBM Corporation 2006
+ *
+ * Authors: Hollis Blanchard <hollisb@xxxxxxxxxx>
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <inttypes.h>
+
+#include <xen/dom0_ops.h>
+#include <xen/memory.h>
+#include <xc_private.h>
+#include <xg_private.h>
+#include <xenctrl.h>
+
+/* XXX 64M hack */
+#define MEMSIZE (64UL << 20)
+#define INITRD_ADDR (24UL << 20)
+
+#define ALIGN_UP(addr,size) (((addr)+((size)-1))&(~((size)-1)))
+
+#define max(x,y) ({ \
+ const typeof(x) _x = (x); \
+ const typeof(y) _y = (y); \
+ (void) (&_x == &_y); \
+ _x > _y ? _x : _y; })
+
+static void *load_file(const char *path, unsigned long *filesize)
+{
+ void *img;
+ ssize_t size;
+ int fd;
+
+ DPRINTF("load_file(%s)\n", path);
+
+ fd = open(path, O_RDONLY);
+ if (fd < 0) {
+ perror(path);
+ return NULL;
+ }
+
+ size = lseek(fd, 0, SEEK_END);
+ if (size < 0) {
+ perror(path);
+ close(fd);
+ return NULL;
+ }
+ lseek(fd, 0, SEEK_SET);
+
+ img = malloc(size);
+ if (img == NULL) {
+ perror(path);
+ close(fd);
+ return NULL;
+ }
+
+ size = read(fd, img, size);
+ if (size <= 0) {
+ perror(path);
+ close(fd);
+ free(img);
+ return NULL;
+ }
+
+ if (filesize)
+ *filesize = size;
+ close(fd);
+ return img;
+}
+
+static int init_boot_vcpu(
+ int xc_handle,
+ int domid,
+ struct domain_setup_info *dsi,
+ unsigned long dtb,
+ unsigned long kaddr)
+{
+ vcpu_guest_context_t ctxt;
+ int rc;
+
+ memset(&ctxt.user_regs, 0x55, sizeof(ctxt.user_regs));
+ ctxt.user_regs.pc = dsi->v_kernentry;
+ ctxt.user_regs.msr = 0;
+ ctxt.user_regs.gprs[1] = 0; /* Linux uses its own stack */
+ ctxt.user_regs.gprs[3] = dtb;
+ ctxt.user_regs.gprs[4] = kaddr;
+ ctxt.user_regs.gprs[5] = 0;
+ /* There is a buggy kernel that does not zero the "local_paca", so
+ * we must make sure this register is 0 */
+ ctxt.user_regs.gprs[13] = 0;
+
+ DPRINTF("xc_vcpu_setvcpucontext:\n"
+ " pc 0x%"PRIx64", msr 0x016%"PRIx64"\n"
+ " r1-5 %016"PRIx64" %016"PRIx64" %016"PRIx64" %016"PRIx64
+ " %016"PRIx64"\n",
+ ctxt.user_regs.pc, ctxt.user_regs.msr,
+ ctxt.user_regs.gprs[1],
+ ctxt.user_regs.gprs[2],
+ ctxt.user_regs.gprs[3],
+ ctxt.user_regs.gprs[4],
+ ctxt.user_regs.gprs[5]);
+ rc = xc_vcpu_setcontext(xc_handle, domid, 0, &ctxt);
+ if (rc < 0)
+ perror("setdomaininfo");
+
+ return rc;
+}
+
+static int install_image(
+ int xc_handle,
+ int domid,
+ xen_pfn_t *page_array,
+ void *image,
+ unsigned long paddr,
+ unsigned long size)
+{
+ uint8_t *img = image;
+ int i;
+ int rc = 0;
+
+ if (paddr & ~PAGE_MASK) {
+ printf("*** unaligned address\n");
+ return -1;
+ }
+
+ for (i = 0; i < size; i += PAGE_SIZE) {
+ void *page = img + i;
+ xen_pfn_t pfn = (paddr + i) >> PAGE_SHIFT;
+ xen_pfn_t mfn = page_array[pfn];
+
+ rc = xc_copy_to_domain_page(xc_handle, domid, mfn, page);
+ if (rc < 0) {
+ perror("xc_copy_to_domain_page");
+ break;
+ }
+ }
+ return rc;
+}
+
+/* XXX be more flexible about placement in memory */
+static int load_dtb(
+ int xc_handle,
+ int domid,
+ const char *dtb_path,
+ unsigned long dtb_addr,
+ struct domain_setup_info *dsi,
+ xen_pfn_t *page_array)
+{
+ uint8_t *img;
+ unsigned long dtb_size;
+ int rc = 0;
+
+ img = load_file(dtb_path, &dtb_size);
+ if (img == NULL) {
+ rc = -1;
+ goto out;
+ }
+
+ DPRINTF("copying device tree to 0x%lx[0x%lx]\n", dtb_addr, dtb_size);
+ rc = install_image(xc_handle, domid, page_array, img, dtb_addr, dtb_size);
+
+out:
+ free(img);
+ return rc;
+}
+
+unsigned long spin_list[] = {
+#if 0
+ 0x100,
+ 0x200,
+ 0x300,
+ 0x380,
+ 0x400,
+ 0x480,
+ 0x500,
+ 0x700,
+ 0x900,
+ 0xc00,
+#endif
+ 0
+};
+
+/* XXX yes, this is a hack */
+static void hack_kernel_img(char *img)
+{
+ const off_t file_offset = 0x10000;
+ unsigned long *addr = spin_list;
+
+ while (*addr) {
+ uint32_t *instruction = (uint32_t *)(img + *addr + file_offset);
+ printf("installing spin loop at %lx (%x)\n", *addr, *instruction);
+ *instruction = 0x48000000;
+ addr++;
+ }
+}
+
+static int load_kernel(
+ int xc_handle,
+ int domid,
+ const char *kernel_path,
+ struct domain_setup_info *dsi,
+ xen_pfn_t *page_array)
+{
+ struct load_funcs load_funcs;
+ char *kernel_img;
+ unsigned long kernel_size;
+ int rc;
+
+ /* load the kernel ELF file */
+ kernel_img = load_file(kernel_path, &kernel_size);
+ if (kernel_img == NULL) {
+ rc = -1;
+ goto out;
+ }
+
+ hack_kernel_img(kernel_img);
+
+ DPRINTF("probe_elf\n");
+ rc = probe_elf(kernel_img, kernel_size, &load_funcs);
+ if (rc < 0) {
+ rc = -1;
+ printf("%s is not an ELF file\n", kernel_path);
+ goto out;
+ }
+
+ DPRINTF("parseimage\n");
+ rc = (load_funcs.parseimage)(kernel_img, kernel_size, dsi);
+ if (rc < 0) {
+ rc = -1;
+ goto out;
+ }
+
+ DPRINTF("loadimage\n");
+ (load_funcs.loadimage)(kernel_img, kernel_size, xc_handle, domid,
+ page_array, dsi);
+
+ DPRINTF(" v_start %016"PRIx64"\n", dsi->v_start);
+ DPRINTF(" v_end %016"PRIx64"\n", dsi->v_end);
+ DPRINTF(" v_kernstart %016"PRIx64"\n", dsi->v_kernstart);
+ DPRINTF(" v_kernend %016"PRIx64"\n", dsi->v_kernend);
+ DPRINTF(" v_kernentry %016"PRIx64"\n", dsi->v_kernentry);
+
+out:
+ free(kernel_img);
+ return rc;
+}
+
+static int load_initrd(
+ int xc_handle,
+ int domid,
+ xen_pfn_t *page_array,
+ const char *initrd_path,
+ unsigned long *base,
+ unsigned long *len)
+{
+ uint8_t *initrd_img;
+ int rc = -1;
+
+ /* load the initrd file */
+ initrd_img = load_file(initrd_path, len);
+ if (initrd_img == NULL)
+ return -1;
+
+ DPRINTF("copying initrd to 0x%lx[0x%lx]\n", INITRD_ADDR, *len);
+ if (install_image(xc_handle, domid, page_array, initrd_img, INITRD_ADDR,
+ *len))
+ goto out;
+
+ *base = INITRD_ADDR;
+ rc = 0;
+
+out:
+ free(initrd_img);
+ return rc;
+}
+
+static unsigned long create_start_info(start_info_t *si,
+ unsigned int console_evtchn, unsigned int store_evtchn)
+{
+ unsigned long eomem;
+ unsigned long si_addr;
+
+ memset(si, 0, sizeof(*si));
+ snprintf(si->magic, sizeof(si->magic), "xen-%d.%d-powerpc64HV", 3, 0);
+
+ eomem = MEMSIZE;
+ si->nr_pages = eomem >> PAGE_SHIFT;
+ si->shared_info = eomem - (PAGE_SIZE * 1);
+ si->store_mfn = si->nr_pages - 2;
+ si->store_evtchn = store_evtchn;
+ si->console_mfn = si->nr_pages - 3;
+ si->console_evtchn = console_evtchn;
+ si_addr = eomem - (PAGE_SIZE * 4);
+
+ return si_addr;
+}
+
+static int get_page_array(int xc_handle, int domid, xen_pfn_t **page_array)
+{
+ int nr_pages;
+ int rc;
+
+ DPRINTF("xc_get_tot_pages\n");
+ nr_pages = xc_get_tot_pages(xc_handle, domid);
+ DPRINTF(" 0x%x\n", nr_pages);
+
+ *page_array = malloc(nr_pages * sizeof(xen_pfn_t));
+ if (*page_array == NULL) {
+ perror("malloc");
+ return -1;
+ }
+
+ DPRINTF("xc_get_pfn_list\n");
+ rc = xc_get_pfn_list(xc_handle, domid, *page_array, nr_pages);
+ if (rc != nr_pages) {
+ perror("Could not get the page frame list");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+
+int xc_linux_build(int xc_handle,
+ uint32_t domid,
+ const char *image_name,
+ const char *initrd_name,
+ const char *cmdline,
+ const char *features,
+ unsigned long flags,
+ unsigned int store_evtchn,
+ unsigned long *store_mfn,
+ unsigned int console_evtchn,
+ unsigned long *console_mfn)
+{
+ struct domain_setup_info dsi;
+ xen_pfn_t *page_array = NULL;
+ unsigned long kern_addr;
+ unsigned long dtb_addr;
+ unsigned long si_addr;
+ unsigned long initrd_base = 0;
+ unsigned long initrd_len = 0;
+ start_info_t si;
+ int rc = 0;
+
+ if (get_page_array(xc_handle, domid, &page_array)) {
+ rc = -1;
+ goto out;
+ }
+
+ if (load_kernel(xc_handle, domid, image_name, &dsi, page_array)) {
+ rc = -1;
+ goto out;
+ }
+ kern_addr = 0;
+
+ if (initrd_name && initrd_name[0] != '\0' &&
+ load_initrd(xc_handle, domid, page_array, initrd_name, &initrd_base,
+ &initrd_len)) {
+ rc = -1;
+ goto out;
+ }
+ /* XXX install initrd addr/len into device tree */
+
+ dtb_addr = (16 << 20);
+ if (load_dtb(xc_handle, domid, "/root/DomU.dtb", dtb_addr, &dsi,
page_array)) {
+ dtb_addr = 0;
+ }
+
+ si_addr = create_start_info(&si, console_evtchn, store_evtchn);
+ *console_mfn = page_array[si.console_mfn];
+ *store_mfn = page_array[si.store_mfn];
+
+ if (install_image(xc_handle, domid, page_array, &si, si_addr,
+ sizeof(start_info_t))) {
+ rc = -1;
+ goto out;
+ }
+
+ if (init_boot_vcpu(xc_handle, domid, &dsi, dtb_addr, kern_addr)) {
+ rc = -1;
+ goto out;
+ }
+
+out:
+ return rc;
+}
diff -r fc6c3d866477 -r 9fc1979e9b00 tools/libxc/xc_ppc_linux_build.c
--- a/tools/libxc/xc_ppc_linux_build.c Wed Aug 09 10:32:23 2006 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,414 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (C) IBM Corporation 2006
- *
- * Authors: Hollis Blanchard <hollisb@xxxxxxxxxx>
- */
-
-#include <stdio.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <inttypes.h>
-
-#include <xen/dom0_ops.h>
-#include <xen/memory.h>
-#include <xc_private.h>
-#include <xg_private.h>
-#include <xenctrl.h>
-
-/* XXX 64M hack */
-#define MEMSIZE (64UL << 20)
-#define INITRD_ADDR (24UL << 20)
-
-int verbose;
-#define VERBOSE(stuff, ...) \
- if (verbose) \
- stuff __VA_ARGS__;
-
-#define ALIGN_UP(addr,size) (((addr)+((size)-1))&(~((size)-1)))
-
-#define max(x,y) ({ \
- const typeof(x) _x = (x); \
- const typeof(y) _y = (y); \
- (void) (&_x == &_y); \
- _x > _y ? _x : _y; })
-
-static void *load_file(const char *path, unsigned long *filesize)
-{
- void *img;
- ssize_t size;
- int fd;
-
- VERBOSE(printf("load_file(%s)\n", path));
-
- fd = open(path, O_RDONLY);
- if (fd < 0) {
- perror(path);
- return NULL;
- }
-
- size = lseek(fd, 0, SEEK_END);
- if (size < 0) {
- perror(path);
- close(fd);
- return NULL;
- }
- lseek(fd, 0, SEEK_SET);
-
- img = malloc(size);
- if (img == NULL) {
- perror(path);
- close(fd);
- return NULL;
- }
-
- size = read(fd, img, size);
- if (size <= 0) {
- perror(path);
- close(fd);
- free(img);
- return NULL;
- }
-
- if (filesize)
- *filesize = size;
- close(fd);
- return img;
-}
-
-static int init_boot_vcpu(
- int xc_handle,
- int domid,
- struct domain_setup_info *dsi,
- unsigned long dtb,
- unsigned long kaddr)
-{
- vcpu_guest_context_t ctxt;
- int rc;
-
- memset(&ctxt.user_regs, 0x55, sizeof(ctxt.user_regs));
- ctxt.user_regs.pc = dsi->v_kernentry;
- ctxt.user_regs.msr = 0;
- ctxt.user_regs.gprs[1] = 0; /* Linux uses its own stack */
- ctxt.user_regs.gprs[3] = dtb;
- ctxt.user_regs.gprs[4] = kaddr;
- ctxt.user_regs.gprs[5] = 0;
- /* There is a buggy kernel that does not zero the "local_paca", so
- * we must make sure this register is 0 */
- ctxt.user_regs.gprs[13] = 0;
-
- VERBOSE(printf("xc_vcpu_setvcpucontext:\n"
- " pc 0x%"PRIx64", msr 0x016%"PRIx64"\n"
- " r1-5 %016"PRIx64" %016"PRIx64" %016"PRIx64" %016"PRIx64
- " %016"PRIx64"\n",
- ctxt.user_regs.pc, ctxt.user_regs.msr,
- ctxt.user_regs.gprs[1],
- ctxt.user_regs.gprs[2],
- ctxt.user_regs.gprs[3],
- ctxt.user_regs.gprs[4],
- ctxt.user_regs.gprs[5]));
- rc = xc_vcpu_setcontext(xc_handle, domid, 0, &ctxt);
- if (rc < 0)
- perror("setdomaininfo");
-
- return rc;
-}
-
-static int install_image(
- int xc_handle,
- int domid,
- xen_pfn_t *page_array,
- void *image,
- unsigned long paddr,
- unsigned long size)
-{
- uint8_t *img = image;
- int i;
- int rc = 0;
-
- if (paddr & ~PAGE_MASK) {
- printf("*** unaligned address\n");
- return -1;
- }
-
- for (i = 0; i < size; i += PAGE_SIZE) {
- void *page = img + i;
- xen_pfn_t pfn = (paddr + i) >> PAGE_SHIFT;
- xen_pfn_t mfn = page_array[pfn];
-
- rc = xc_copy_to_domain_page(xc_handle, domid, mfn, page);
- if (rc < 0) {
- perror("xc_copy_to_domain_page");
- break;
- }
- }
- return rc;
-}
-
-/* XXX be more flexible about placement in memory */
-static int load_dtb(
- int xc_handle,
- int domid,
- const char *dtb_path,
- unsigned long dtb_addr,
- struct domain_setup_info *dsi,
- xen_pfn_t *page_array)
-{
- uint8_t *img;
- unsigned long dtb_size;
- int rc = 0;
-
- img = load_file(dtb_path, &dtb_size);
- if (img == NULL) {
- rc = -1;
- goto out;
- }
-
- VERBOSE(printf("copying device tree to 0x%lx[0x%lx]\n",
- dtb_addr, dtb_size));
- rc = install_image(xc_handle, domid, page_array, img, dtb_addr, dtb_size);
-
-out:
- free(img);
- return rc;
-}
-
-unsigned long spin_list[] = {
-#if 0
- 0x100,
- 0x200,
- 0x300,
- 0x380,
- 0x400,
- 0x480,
- 0x500,
- 0x700,
- 0x900,
- 0xc00,
-#endif
- 0
-};
-
-/* XXX yes, this is a hack */
-static void hack_kernel_img(char *img)
-{
- const off_t file_offset = 0x10000;
- unsigned long *addr = spin_list;
-
- while (*addr) {
- uint32_t *instruction = (uint32_t *)(img + *addr + file_offset);
- printf("installing spin loop at %lx (%x)\n", *addr, *instruction);
- *instruction = 0x48000000;
- addr++;
- }
-}
-
-static int load_kernel(
- int xc_handle,
- int domid,
- const char *kernel_path,
- struct domain_setup_info *dsi,
- xen_pfn_t *page_array)
-{
- struct load_funcs load_funcs;
- char *kernel_img;
- unsigned long kernel_size;
- int rc;
-
- /* load the kernel ELF file */
- kernel_img = load_file(kernel_path, &kernel_size);
- if (kernel_img == NULL) {
- rc = -1;
- goto out;
- }
-
- hack_kernel_img(kernel_img);
-
- VERBOSE(printf("probe_elf\n"));
- rc = probe_elf(kernel_img, kernel_size, &load_funcs);
- if (rc < 0) {
- rc = -1;
- printf("%s is not an ELF file\n", kernel_path);
- goto out;
- }
-
- VERBOSE(printf("parseimage\n"));
- rc = (load_funcs.parseimage)(kernel_img, kernel_size, dsi);
- if (rc < 0) {
- rc = -1;
- goto out;
- }
-
- VERBOSE(printf("loadimage\n"));
- (load_funcs.loadimage)(kernel_img, kernel_size, xc_handle, domid,
- page_array, dsi);
-
- VERBOSE(printf(" v_start %016"PRIx64"\n", dsi->v_start));
- VERBOSE(printf(" v_end %016"PRIx64"\n", dsi->v_end));
- VERBOSE(printf(" v_kernstart %016"PRIx64"\n", dsi->v_kernstart));
- VERBOSE(printf(" v_kernend %016"PRIx64"\n", dsi->v_kernend));
- VERBOSE(printf(" v_kernentry %016"PRIx64"\n", dsi->v_kernentry));
-
-out:
- free(kernel_img);
- return rc;
-}
-
-static int load_initrd(
- int xc_handle,
- int domid,
- xen_pfn_t *page_array,
- const char *initrd_path,
- unsigned long *base,
- unsigned long *len)
-{
- uint8_t *initrd_img;
- int rc = -1;
-
- /* load the initrd file */
- initrd_img = load_file(initrd_path, len);
- if (initrd_img == NULL)
- return -1;
-
- VERBOSE(printf("copying initrd to 0x%lx[0x%lx]\n", INITRD_ADDR, *len));
- if (install_image(xc_handle, domid, page_array, initrd_img, INITRD_ADDR,
- *len))
- goto out;
-
- *base = INITRD_ADDR;
- rc = 0;
-
-out:
- free(initrd_img);
- return rc;
-}
-
-static unsigned long create_start_info(start_info_t *si,
- unsigned int console_evtchn, unsigned int store_evtchn)
-{
- unsigned long eomem;
- unsigned long si_addr;
-
- memset(si, 0, sizeof(*si));
- snprintf(si->magic, sizeof(si->magic), "xen-%d.%d-powerpc64HV", 3, 0);
-
- eomem = MEMSIZE;
- si->nr_pages = eomem >> PAGE_SHIFT;
- si->shared_info = eomem - (PAGE_SIZE * 1);
- si->store_mfn = si->nr_pages - 2;
- si->store_evtchn = store_evtchn;
- si->console_mfn = si->nr_pages - 3;
- si->console_evtchn = console_evtchn;
- si_addr = eomem - (PAGE_SIZE * 4);
-
- return si_addr;
-}
-
-static int get_page_array(int xc_handle, int domid, xen_pfn_t **page_array)
-{
- int nr_pages;
- int rc;
-
- VERBOSE(printf("xc_get_tot_pages\n"));
- nr_pages = xc_get_tot_pages(xc_handle, domid);
- VERBOSE(printf(" 0x%x\n", nr_pages));
-
- *page_array = malloc(nr_pages * sizeof(xen_pfn_t));
- if (*page_array == NULL) {
- perror("malloc");
- return -1;
- }
-
- VERBOSE(printf("xc_get_pfn_list\n"));
- rc = xc_get_pfn_list(xc_handle, domid, *page_array, nr_pages);
- if (rc != nr_pages) {
- perror("Could not get the page frame list");
- return -1;
- }
-
- return 0;
-}
-
-
-
-int xc_linux_build(int xc_handle,
- uint32_t domid,
- const char *image_name,
- const char *initrd_name,
- const char *cmdline,
- const char *features,
- unsigned long flags,
- unsigned int store_evtchn,
- unsigned long *store_mfn,
- unsigned int console_evtchn,
- unsigned long *console_mfn)
-{
- struct domain_setup_info dsi;
- xen_pfn_t *page_array = NULL;
- unsigned long kern_addr;
- unsigned long dtb_addr;
- unsigned long si_addr;
- unsigned long initrd_base = 0;
- unsigned long initrd_len = 0;
- start_info_t si;
- int rc = 0;
-
- if (get_page_array(xc_handle, domid, &page_array)) {
- rc = -1;
- goto out;
- }
-
- if (load_kernel(xc_handle, domid, image_name, &dsi, page_array)) {
- rc = -1;
- goto out;
- }
- kern_addr = 0;
-
- if (initrd_name && initrd_name[0] != '\0' &&
- load_initrd(xc_handle, domid, page_array, initrd_name, &initrd_base,
- &initrd_len)) {
- rc = -1;
- goto out;
- }
- /* XXX install initrd addr/len into device tree */
-
- dtb_addr = (16 << 20);
- if (load_dtb(xc_handle, domid, "/root/DomU.dtb", dtb_addr, &dsi,
page_array)) {
- dtb_addr = 0;
- }
-
- si_addr = create_start_info(&si, store_evtchn, console_evtchn);
- *console_mfn = page_array[si.console_mfn];
- *store_mfn = page_array[si.store_mfn];
-
- if (install_image(xc_handle, domid, page_array, &si, si_addr,
- sizeof(start_info_t))) {
- rc = -1;
- goto out;
- }
-
- if (init_boot_vcpu(xc_handle, domid, &dsi, dtb_addr, kern_addr)) {
- rc = -1;
- goto out;
- }
-
-out:
- return rc;
-}
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