From nobody Fri Nov 7 14:40:11 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (209.51.188.17 [209.51.188.17]) by mx.zohomail.com with SMTPS id 1548434310670258.98614430951875; Fri, 25 Jan 2019 08:38:30 -0800 (PST) Received: from localhost ([127.0.0.1]:47027 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gn4Uq-0002WA-Lj for importer@patchew.org; Fri, 25 Jan 2019 11:38:24 -0500 Received: from eggs.gnu.org ([209.51.188.92]:53267) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gn4TU-0001uv-Vr for qemu-devel@nongnu.org; Fri, 25 Jan 2019 11:37:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gn4TU-00026d-3F for qemu-devel@nongnu.org; Fri, 25 Jan 2019 11:37:00 -0500 Received: from chuckie.co.uk ([82.165.15.123]:54862 helo=s16892447.onlinehome-server.info) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gn4TT-00023w-SS for qemu-devel@nongnu.org; Fri, 25 Jan 2019 11:37:00 -0500 Received: from host86-147-134-102.range86-147.btcentralplus.com ([86.147.134.102] helo=kentang.home) by s16892447.onlinehome-server.info with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1gn4Tf-0000Ft-Vt; Fri, 25 Jan 2019 16:37:13 +0000 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, atar4qemu@gmail.com Date: Fri, 25 Jan 2019 16:36:48 +0000 Message-Id: <20190125163648.24468-1-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.11.0 X-SA-Exim-Connect-IP: 86.147.134.102 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk X-SA-Exim-Version: 4.2.1 (built Sun, 08 Jan 2012 02:45:44 +0000) X-SA-Exim-Scanned: Yes (on s16892447.onlinehome-server.info) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 82.165.15.123 Subject: [Qemu-devel] [PATCH] sun4m: pass initrd size to OpenBIOS via fw_cfg interface X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This is to enable OpenBIOS to claim the initrd memory as in-use before atte= mpting to boot the kernel. Signed-off-by: Mark Cave-Ayland --- hw/sparc/sun4m.c | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c index 709ee37e08..1c9217315e 100644 --- a/hw/sparc/sun4m.c +++ b/hw/sparc/sun4m.c @@ -224,11 +224,12 @@ static uint64_t translate_kernel_address(void *opaque= , uint64_t addr) =20 static unsigned long sun4m_load_kernel(const char *kernel_filename, const char *initrd_filename, - ram_addr_t RAM_size) + ram_addr_t RAM_size, + uint32_t *initrd_size) { int linux_boot; unsigned int i; - long initrd_size, kernel_size; + long kernel_size; uint8_t *ptr; =20 linux_boot =3D (kernel_filename !=3D NULL); @@ -258,23 +259,23 @@ static unsigned long sun4m_load_kernel(const char *ke= rnel_filename, } =20 /* load initrd */ - initrd_size =3D 0; + *initrd_size =3D 0; if (initrd_filename) { - initrd_size =3D load_image_targphys(initrd_filename, - INITRD_LOAD_ADDR, - RAM_size - INITRD_LOAD_ADDR); - if (initrd_size < 0) { + *initrd_size =3D load_image_targphys(initrd_filename, + INITRD_LOAD_ADDR, + RAM_size - INITRD_LOAD_ADDR= ); + if ((int)*initrd_size < 0) { error_report("could not load initial ram disk '%s'", initrd_filename); exit(1); } } - if (initrd_size > 0) { + if (*initrd_size > 0) { for (i =3D 0; i < 64 * TARGET_PAGE_SIZE; i +=3D TARGET_PAGE_SI= ZE) { ptr =3D rom_ptr(KERNEL_LOAD_ADDR + i, 24); if (ptr && ldl_p(ptr) =3D=3D 0x48647253) { /* HdrS */ stl_p(ptr + 16, INITRD_LOAD_ADDR); - stl_p(ptr + 20, initrd_size); + stl_p(ptr + 20, *initrd_size); break; } } @@ -844,6 +845,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwd= ef, qemu_irq *cpu_irqs[MAX_CPUS], slavio_irq[32], slavio_cpu_irq[MAX_CPUS]; qemu_irq fdc_tc; unsigned long kernel_size; + uint32_t initrd_size; DriveInfo *fd[MAX_FD]; FWCfgState *fw_cfg; unsigned int num_vsimms; @@ -1022,9 +1024,10 @@ static void sun4m_hw_init(const struct sun4m_hwdef *= hwdef, empty_slot_init(hwdef->bpp_base, 0x20); } =20 + initrd_size =3D 0; kernel_size =3D sun4m_load_kernel(machine->kernel_filename, machine->initrd_filename, - machine->ram_size); + machine->ram_size, &initrd_size); =20 nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, machine->kernel_cmd= line, machine->boot_order, machine->ram_size, kernel_size, @@ -1067,7 +1070,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef *h= wdef, fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0); } fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR); - fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, 0); // not used + fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size); fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]); qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); } --=20 2.11.0