X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fopenbios%2Farch%2Fx86%2Fsys_info.c;fp=qemu%2Froms%2Fopenbios%2Farch%2Fx86%2Fsys_info.c;h=9361c9d630d012f61bccd3619b6657b0e4c2de03;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/openbios/arch/x86/sys_info.c b/qemu/roms/openbios/arch/x86/sys_info.c
new file mode 100644
index 000000000..9361c9d63
--- /dev/null
+++ b/qemu/roms/openbios/arch/x86/sys_info.c
@@ -0,0 +1,57 @@
+#include "config.h"
+#include "kernel/kernel.h"
+#include "libopenbios/sys_info.h"
+#include "context.h"
+
+#ifdef CONFIG_DEBUG_BOOT
+#define debug printk
+#else
+#define debug(x...)
+#endif
+
+void collect_multiboot_info(struct sys_info *);
+void collect_sys_info(struct sys_info *info);
+
+void collect_sys_info(struct sys_info *info)
+{
+    int i;
+    unsigned long long total = 0;
+    struct memrange *mmap;
+
+    /* Pick up paramters given by bootloader to us */
+    info->boot_type = boot_ctx->eax;
+    info->boot_data = boot_ctx->ebx;
+    info->boot_arg = boot_ctx->param[0];
+    debug("boot eax = %#lx\n", info->boot_type);
+    debug("boot ebx = %#lx\n", info->boot_data);
+    debug("boot arg = %#lx\n", info->boot_arg);
+
+    collect_elfboot_info(info);
+#ifdef CONFIG_LINUXBIOS
+    collect_linuxbios_info(info);
+#endif
+#ifdef CONFIG_IMAGE_ELF_MULTIBOOT
+    collect_multiboot_info(info);
+#endif
+
+    if (!info->memrange) {
+	printk("Can't get memory map from firmware. "
+		"Using hardcoded default.\n");
+	info->n_memranges = 2;
+	info->memrange = malloc(2 * sizeof(struct memrange));
+	info->memrange[0].base = 0;
+	info->memrange[0].size = 640*1024;
+	info->memrange[1].base = 1024*1024;
+	info->memrange[1].size = 32*1024*1024
+	    - info->memrange[1].base;
+    }
+
+    debug("\n");
+    mmap=info->memrange;
+    for (i = 0; i < info->n_memranges; i++) {
+	debug("%016Lx-", mmap[i].base);
+	debug("%016Lx\n", mmap[i].base+mmap[i].size);
+	total += mmap[i].size;
+    }
+    debug("RAM %Ld MB\n", (total + 512*1024) >> 20);
+}