From 7f1679dc2cee57d3046446fa1d71813071888218 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Wed, 19 Feb 2020 11:09:01 -0500 Subject: [PATCH] arm/palm: use memdev for RAM MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit memory_region_allocate_system_memory() API is going away, so replace it with memdev allocated MemoryRegion. The later is initialized by generic code, so board only needs to opt in to memdev scheme by providing MachineClass::default_ram_id and using MachineState::ram instead of manually initializing RAM memory region. PS: while at it add check for user supplied RAM size and error out if it mismatches board expected value. Signed-off-by: Igor Mammedov Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20200219160953.13771-28-imammedo@redhat.com> --- hw/arm/palm.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/hw/arm/palm.c b/hw/arm/palm.c index 72eca8cc55..99554bda19 100644 --- a/hw/arm/palm.c +++ b/hw/arm/palm.c @@ -31,6 +31,7 @@ #include "hw/loader.h" #include "exec/address-spaces.h" #include "cpu.h" +#include "qemu/cutils.h" static uint64_t static_read(void *opaque, hwaddr offset, unsigned size) { @@ -195,15 +196,21 @@ static void palmte_init(MachineState *machine) static uint32_t cs2val = 0x0000e1a0; static uint32_t cs3val = 0xe1a0e1a0; int rom_size, rom_loaded = 0; - MemoryRegion *dram = g_new(MemoryRegion, 1); + MachineClass *mc = MACHINE_GET_CLASS(machine); MemoryRegion *flash = g_new(MemoryRegion, 1); MemoryRegion *cs = g_new(MemoryRegion, 4); - memory_region_allocate_system_memory(dram, NULL, "omap1.dram", - palmte_binfo.ram_size); - memory_region_add_subregion(address_space_mem, OMAP_EMIFF_BASE, dram); + if (machine->ram_size != mc->default_ram_size) { + char *sz = size_to_str(mc->default_ram_size); + error_report("Invalid RAM size, should be %s", sz); + g_free(sz); + exit(EXIT_FAILURE); + } + + memory_region_add_subregion(address_space_mem, OMAP_EMIFF_BASE, + machine->ram); - mpu = omap310_mpu_init(dram, machine->cpu_type); + mpu = omap310_mpu_init(machine->ram, machine->cpu_type); /* External Flash (EMIFS) */ memory_region_init_ram(flash, NULL, "palmte.flash", flash_size, @@ -265,6 +272,8 @@ static void palmte_machine_init(MachineClass *mc) mc->init = palmte_init; mc->ignore_memory_transaction_failures = true; mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t"); + mc->default_ram_size = 0x02000000; + mc->default_ram_id = "omap1.dram"; } DEFINE_MACHINE("cheetah", palmte_machine_init) -- 2.11.4.GIT