From 92688a91c35852e7492d718d7872a6bc725ddff4 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Cl=C3=A9ment=20Chigot?= Date: Wed, 31 Jan 2024 09:50:44 +0100 Subject: [PATCH] hw/sparc/leon3: remove SP initialization MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit According to the doc (see §4.2.15 in [1]), the reset operation should not impact %SP. [1] https://gaisler.com/doc/gr712rc-usermanual.pdf Signed-off-by: Clément Chigot Reviewed-by: Philippe Mathieu-Daudé Message-ID: <20240131085047.18458-7-chigot@adacore.com> Signed-off-by: Philippe Mathieu-Daudé --- hw/sparc/leon3.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/hw/sparc/leon3.c b/hw/sparc/leon3.c index 3f86b74ba4d..46fc1e783ac 100644 --- a/hw/sparc/leon3.c +++ b/hw/sparc/leon3.c @@ -69,7 +69,6 @@ typedef struct ResetData { SPARCCPU *cpu; uint32_t entry; /* save kernel entry in case of reset */ - target_ulong sp; /* initial stack pointer */ } ResetData; static uint32_t *gen_store_u32(uint32_t *code, hwaddr addr, uint32_t val) @@ -135,7 +134,6 @@ static void main_cpu_reset(void *opaque) cpu->halted = 0; env->pc = s->entry; env->npc = s->entry + 4; - env->regbase[6] = s->sp; } static void leon3_cache_control_int(CPUSPARCState *env) @@ -246,7 +244,6 @@ static void leon3_generic_hw_init(MachineState *machine) /* Reset data */ reset_info = g_new0(ResetData, 1); reset_info->cpu = cpu; - reset_info->sp = LEON3_RAM_OFFSET + ram_size; qemu_register_reset(main_cpu_reset, reset_info); ahb_pnp = GRLIB_AHB_PNP(qdev_new(TYPE_GRLIB_AHB_PNP)); -- 2.39.5