{"id":2219325,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2219325/?format=json","project":{"id":18,"url":"http://patchwork.ozlabs.org/api/1.0/projects/18/?format=json","name":"U-Boot","link_name":"uboot","list_id":"u-boot.lists.denx.de","list_email":"u-boot@lists.denx.de","web_url":null,"scm_url":null,"webscm_url":null},"msgid":"<20260402205038.4005350-6-rs@ti.com>","date":"2026-04-02T20:50:38","name":"[PATCHv2,5/5] memory: reserve from start_addr_sp to end_addr_sp","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"afa33cafd823d9a21f31a47817eb485de5722c06","submitter":{"id":88727,"url":"http://patchwork.ozlabs.org/api/1.0/people/88727/?format=json","name":"Randolph Sapp","email":"rs@ti.com"},"delegate":{"id":68728,"url":"http://patchwork.ozlabs.org/api/1.0/users/68728/?format=json","username":"xypron","first_name":"Heinrich","last_name":"Schuchardt","email":"xypron.glpk@gmx.de"},"mbox":"http://patchwork.ozlabs.org/project/uboot/patch/20260402205038.4005350-6-rs@ti.com/mbox/","series":[{"id":498552,"url":"http://patchwork.ozlabs.org/api/1.0/series/498552/?format=json","date":"2026-04-02T20:50:33","name":"various memory related fixups","version":1,"mbox":"http://patchwork.ozlabs.org/series/498552/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219325/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256\n header.s=selector1 header.b=rq5n9v6u;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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helo=flwvzet201.ext.ti.com; pr=C","From":"","To":", ,\n , , ,\n , , ,\n ","CC":"","Subject":"[PATCHv2 5/5] memory: reserve from start_addr_sp to end_addr_sp","Date":"Thu, 2 Apr 2026 15:50:38 -0500","Message-ID":"<20260402205038.4005350-6-rs@ti.com>","X-Mailer":"git-send-email 2.53.0","In-Reply-To":"<20260402205038.4005350-1-rs@ti.com>","References":"<20260402205038.4005350-1-rs@ti.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Content-Type":"text/plain","X-C2ProcessedOrg":"333ef613-75bf-4e12-a4b1-8e3623f5dcea","X-EOPAttributedMessage":"0","X-MS-PublicTrafficType":"Email","X-MS-TrafficTypeDiagnostic":"SJ5PEPF000001D2:EE_|PH7PR10MB6131:EE_","X-MS-Office365-Filtering-Correlation-Id":"665f387d-19b3-4376-9b41-08de90f99820","X-MS-Exchange-SenderADCheck":"1","X-MS-Exchange-AntiSpam-Relay":"0","X-Microsoft-Antispam":"BCL:0;\n ARA:13230040|82310400026|36860700016|1800799024|376014|18002099003|56012099003|22082099003;","X-Microsoft-Antispam-Message-Info":"\n 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","X-Forefront-Antispam-Report":"CIP:198.47.21.195; 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Ip=[198.47.21.195];\n Helo=[flwvzet201.ext.ti.com]","X-MS-Exchange-CrossTenant-AuthSource":"\n SJ5PEPF000001D2.namprd05.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Anonymous","X-MS-Exchange-CrossTenant-FromEntityHeader":"HybridOnPrem","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"PH7PR10MB6131","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.39","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" ","X-Virus-Scanned":"clamav-milter 0.103.8 at phobos.denx.de","X-Virus-Status":"Clean"},"content":"From: Randolph Sapp \n\nAdd a new global data struct member called end_addr_sp. This stores the\noriginal value of relocaddr, directly from setup_dest_addr. This is\nspecifically to avoid any adjustments made by other init functions.\n\nReserve the memory from gd->start_addr_sp - CONFIG_STACK_SIZE to\ngd->end_addr_sp instead of gd->ram_top. This allows platform specific\nrelocation addresses to work without unnecessarily painting over a large\nrange.\n\nSigned-off-by: Randolph Sapp \n---\n common/board_f.c | 9 ++++++-\n include/asm-generic/global_data.h | 6 +++++\n lib/efi_loader/efi_memory.c | 4 +--\n lib/lmb.c | 41 ++++++-------------------------\n 4 files changed, 23 insertions(+), 37 deletions(-)","diff":"diff --git a/common/board_f.c b/common/board_f.c\nindex df2b0dc899b..85b1c3f3428 100644\n--- a/common/board_f.c\n+++ b/common/board_f.c\n@@ -331,6 +331,8 @@ __weak int arch_setup_dest_addr(void)\n \n static int setup_dest_addr(void)\n {\n+\tint ret;\n+\n \tdebug(\"Monitor len: %08x\\n\", gd->mon_len);\n \t/*\n \t * Ram is setup, size stored in gd !!\n@@ -357,7 +359,12 @@ static int setup_dest_addr(void)\n \tgd->relocaddr = gd->ram_top;\n \tdebug(\"Ram top: %08llX\\n\", (unsigned long long)gd->ram_top);\n \n-\treturn arch_setup_dest_addr();\n+\tret = arch_setup_dest_addr();\n+\tif (ret != 0)\n+\t\treturn ret;\n+\n+\tgd->end_addr_sp = gd->relocaddr;\n+\treturn ret;\n }\n \n #ifdef CFG_PRAM\ndiff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h\nindex 745d2c3a966..2f3ef26a17c 100644\n--- a/include/asm-generic/global_data.h\n+++ b/include/asm-generic/global_data.h\n@@ -115,6 +115,12 @@ struct global_data {\n \t * @start_addr_sp: initial stack pointer address\n \t */\n \tunsigned long start_addr_sp;\n+\t/**\n+\t * @end_addr_sp: the end of memory currently in use by uboot,\n+\t * should be the original value of the relocaddr before\n+\t * any other allocations shift it\n+\t */\n+\tunsigned long end_addr_sp;\n \t/**\n \t * @reloc_off: relocation offset\n \t */\ndiff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c\nindex 882366a9f8a..7968ae4b9ba 100644\n--- a/lib/efi_loader/efi_memory.c\n+++ b/lib/efi_loader/efi_memory.c\n@@ -884,8 +884,8 @@ static void add_u_boot_and_runtime(void)\n \t/* Add U-Boot */\n \tuboot_start = ((uintptr_t)map_sysmem(gd->start_addr_sp, 0) -\n \t\t uboot_stack_size) & ~EFI_PAGE_MASK;\n-\tuboot_pages = ((uintptr_t)map_sysmem(gd->ram_top - 1, 0) -\n-\t\t uboot_start + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT;\n+\tuboot_pages = ((gd->end_addr_sp - uboot_start) + EFI_PAGE_MASK) >>\n+\t\t EFI_PAGE_SHIFT;\n \tefi_update_memory_map(uboot_start, uboot_pages, EFI_BOOT_SERVICES_CODE,\n \t\t\t false, false);\n #if defined(__aarch64__)\ndiff --git a/lib/lmb.c b/lib/lmb.c\nindex 18703212afb..b38141275da 100644\n--- a/lib/lmb.c\n+++ b/lib/lmb.c\n@@ -534,46 +534,19 @@ static long lmb_reserve(phys_addr_t base, phys_size_t size, u32 flags)\n \n static void lmb_reserve_uboot_region(void)\n {\n-\tint bank;\n-\tulong end, bank_end;\n+\tulong size;\n \tphys_addr_t rsv_start;\n-\tulong pram = 0;\n \n \trsv_start = gd->start_addr_sp - CONFIG_STACK_SIZE;\n-\tend = gd->ram_top;\n+\tsize = gd->end_addr_sp - rsv_start;\n \n-\t/*\n-\t * Reserve memory from aligned address below the bottom of U-Boot stack\n-\t * until end of RAM area to prevent LMB from overwriting that memory.\n-\t */\n-\tdebug(\"## Current stack ends at 0x%08lx \", (ulong)rsv_start);\n-\n-#ifdef CFG_PRAM\n-\tpram = env_get_ulong(\"pram\", 10, CFG_PRAM);\n-\tpram = pram << 10; /* size is in kB */\n-#endif\n+\tdebug(\"## Current stack ends at 0x%08lx\\n\", (ulong)rsv_start);\n \n-\tfor (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {\n-\t\tif (!gd->bd->bi_dram[bank].size ||\n-\t\t rsv_start < gd->bd->bi_dram[bank].start)\n-\t\t\tcontinue;\n-\t\t/* Watch out for RAM at end of address space! */\n-\t\tbank_end = gd->bd->bi_dram[bank].start +\n-\t\t\tgd->bd->bi_dram[bank].size - 1;\n-\t\tif (rsv_start > bank_end)\n-\t\t\tcontinue;\n-\t\tif (bank_end > end)\n-\t\t\tbank_end = end - 1;\n-\n-\t\tlmb_reserve(rsv_start, bank_end - rsv_start - pram + 1,\n+\tif (gd->flags & GD_FLG_SKIP_RELOC)\n+\t\tlmb_reserve((phys_addr_t)(uintptr_t)_start, gd->mon_len,\n \t\t\t LMB_NOOVERWRITE);\n-\n-\t\tif (gd->flags & GD_FLG_SKIP_RELOC)\n-\t\t\tlmb_reserve((phys_addr_t)(uintptr_t)_start,\n-\t\t\t\t gd->mon_len, LMB_NOOVERWRITE);\n-\n-\t\tbreak;\n-\t}\n+\telse\n+\t\tlmb_reserve(rsv_start, size, LMB_NOOVERWRITE);\n }\n \n static void lmb_reserve_common(void *fdt_blob)\n","prefixes":["PATCHv2","5/5"]}