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[PATCH v4 24/80] arm/musicpal: use memdev for RAM
From: |
Igor Mammedov |
Subject: |
[PATCH v4 24/80] arm/musicpal: use memdev for RAM |
Date: |
Fri, 31 Jan 2020 16:08:54 +0100 |
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 <address@hidden>
Reviewed-by: Andrew Jones <address@hidden>
---
v2:
* fix format string causing build failure on 32-bit host
(Philippe Mathieu-Daudé <address@hidden>)
CC: address@hidden
---
hw/arm/musicpal.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/hw/arm/musicpal.c b/hw/arm/musicpal.c
index dc551bb..db8b03c 100644
--- a/hw/arm/musicpal.c
+++ b/hw/arm/musicpal.c
@@ -32,6 +32,7 @@
#include "sysemu/runstate.h"
#include "exec/address-spaces.h"
#include "ui/pixel_ops.h"
+#include "qemu/cutils.h"
#define MP_MISC_BASE 0x80002000
#define MP_MISC_SIZE 0x00001000
@@ -1589,16 +1590,21 @@ static void musicpal_init(MachineState *machine)
int i;
unsigned long flash_size;
DriveInfo *dinfo;
+ MachineClass *mc = MACHINE_GET_CLASS(machine);
MemoryRegion *address_space_mem = get_system_memory();
- MemoryRegion *ram = g_new(MemoryRegion, 1);
MemoryRegion *sram = g_new(MemoryRegion, 1);
+ /* For now we use a fixed - the original - RAM size */
+ 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);
+ }
+
cpu = ARM_CPU(cpu_create(machine->cpu_type));
- /* For now we use a fixed - the original - RAM size */
- memory_region_allocate_system_memory(ram, NULL, "musicpal.ram",
- MP_RAM_DEFAULT_SIZE);
- memory_region_add_subregion(address_space_mem, 0, ram);
+ memory_region_add_subregion(address_space_mem, 0, machine->ram);
memory_region_init_ram(sram, NULL, "musicpal.sram", MP_SRAM_SIZE,
&error_fatal);
@@ -1714,6 +1720,8 @@ static void musicpal_machine_init(MachineClass *mc)
mc->init = musicpal_init;
mc->ignore_memory_transaction_failures = true;
mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
+ mc->default_ram_size = MP_RAM_DEFAULT_SIZE;
+ mc->default_ram_id = "musicpal.ram";
}
DEFINE_MACHINE("musicpal", musicpal_machine_init)
--
2.7.4
- [PATCH v4 16/80] arm/imx25_pdk: use memdev for RAM, (continued)
- [PATCH v4 16/80] arm/imx25_pdk: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 15/80] arm/imx25_pdk: drop RAM size fixup, Igor Mammedov, 2020/01/31
- [PATCH v4 23/80] arm/mps2: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 18/80] arm/kzm: drop RAM size fixup, Igor Mammedov, 2020/01/31
- [PATCH v4 17/80] arm/integratorcp: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 20/80] arm/mcimx6ul-evk: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 25/80] arm/nseries: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 26/80] arm/omap_sx1: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 27/80] arm/palm: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 21/80] arm/mcimx7d-sabre: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 24/80] arm/musicpal: use memdev for RAM,
Igor Mammedov <=
- [PATCH v4 28/80] arm/raspi: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 29/80] arm/sabrelite: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 22/80] arm/mps2-tz: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 32/80] arm/vexpress: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 30/80] arm/sbsa-ref: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 31/80] arm/versatilepb: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 36/80] arm/xlnx-versal-virt: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 35/80] arm/xilinx_zynq: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 37/80] arm/xlnx-zcu102: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 33/80] arm/virt: use memdev for RAM, Igor Mammedov, 2020/01/31