From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by casper.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TzPlX-0008Vv-Es for barebox@lists.infradead.org; Sun, 27 Jan 2013 10:47:13 +0000 From: Sascha Hauer Date: Sun, 27 Jan 2013 11:46:56 +0100 Message-Id: <1359283623-1782-28-git-send-email-s.hauer@pengutronix.de> In-Reply-To: <1359283623-1782-1-git-send-email-s.hauer@pengutronix.de> References: <1359283623-1782-1-git-send-email-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 27/34] ARM pbl: Use dynamic parameters for early malloc space To: barebox@lists.infradead.org Signed-off-by: Sascha Hauer --- arch/arm/cpu/start-pbl.c | 12 ++++++++---- arch/arm/cpu/start.c | 1 + 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/arch/arm/cpu/start-pbl.c b/arch/arm/cpu/start-pbl.c index 1900daa..6610be6 100644 --- a/arch/arm/cpu/start-pbl.c +++ b/arch/arm/cpu/start-pbl.c @@ -128,10 +128,6 @@ static void barebox_uncompress(void *compressed_start, unsigned int len) */ int use_mmu = 0; - /* set 128 KiB at the end of the MALLOC_BASE for early malloc */ - free_mem_ptr = MALLOC_BASE + MALLOC_SIZE - SZ_128K; - free_mem_end_ptr = free_mem_ptr + SZ_128K; - ttb = (void *)((free_mem_ptr - 0x4000) & ~0x3fff); if (use_mmu) @@ -154,6 +150,10 @@ static noinline __noreturn void __barebox_arm_entry(uint32_t membase, uint32_t offset; uint32_t pg_start, pg_end, pg_len; void __noreturn (*barebox)(uint32_t, uint32_t, uint32_t); + uint32_t endmem = membase + memsize; + + endmem -= ARM_RESERVE_MEM_SIZE; + endmem -= STACK_SIZE; /* stack */ /* Get offset between linked address and runtime address */ offset = get_runtime_offset(); @@ -173,6 +173,10 @@ static noinline __noreturn void __barebox_arm_entry(uint32_t membase, setup_c(); + endmem -= SZ_128K; /* early malloc */ + free_mem_ptr = endmem; + free_mem_end_ptr = free_mem_ptr + SZ_128K; + barebox_uncompress((void *)pg_start, pg_len); if (IS_ENABLED(CONFIG_THUMB2_BAREBOX)) diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c index 530fb09..b77b070 100644 --- a/arch/arm/cpu/start.c +++ b/arch/arm/cpu/start.c @@ -35,6 +35,7 @@ static noinline __noreturn void __start(uint32_t membase, uint32_t memsize, setup_c(); + endmem -= ARM_RESERVE_MEM_SIZE; arm_stack_top = endmem; endmem -= STACK_SIZE; /* Stack */ -- 1.7.10.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox