In the realize methods of the stm32f100 and stm32f205 SoC objects, we
call g_new() to create new MemoryRegion objects for the sram, flash,
and flash_alias. This is unnecessary (and leaves open the
possibility of leaking the allocations if we exit from realize with
an error). Make these MemoryRegions member fields of the device
state struct instead, as stm32f405 already does.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alexandre Iooss <erdnaxe@crans.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Message-id:
20210812093356.1946-11-peter.maydell@linaro.org
int i;
MemoryRegion *system_memory = get_system_memory();
- MemoryRegion *sram = g_new(MemoryRegion, 1);
- MemoryRegion *flash = g_new(MemoryRegion, 1);
- MemoryRegion *flash_alias = g_new(MemoryRegion, 1);
/*
* Init flash region
* Flash starts at 0x08000000 and then is aliased to boot memory at 0x0
*/
- memory_region_init_rom(flash, OBJECT(dev_soc), "STM32F100.flash",
+ memory_region_init_rom(&s->flash, OBJECT(dev_soc), "STM32F100.flash",
FLASH_SIZE, &error_fatal);
- memory_region_init_alias(flash_alias, OBJECT(dev_soc),
- "STM32F100.flash.alias", flash, 0, FLASH_SIZE);
- memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, flash);
- memory_region_add_subregion(system_memory, 0, flash_alias);
+ memory_region_init_alias(&s->flash_alias, OBJECT(dev_soc),
+ "STM32F100.flash.alias", &s->flash, 0, FLASH_SIZE);
+ memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, &s->flash);
+ memory_region_add_subregion(system_memory, 0, &s->flash_alias);
/* Init SRAM region */
- memory_region_init_ram(sram, NULL, "STM32F100.sram", SRAM_SIZE,
+ memory_region_init_ram(&s->sram, NULL, "STM32F100.sram", SRAM_SIZE,
&error_fatal);
- memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, sram);
+ memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, &s->sram);
/* Init ARMv7m */
armv7m = DEVICE(&s->armv7m);
int i;
MemoryRegion *system_memory = get_system_memory();
- MemoryRegion *sram = g_new(MemoryRegion, 1);
- MemoryRegion *flash = g_new(MemoryRegion, 1);
- MemoryRegion *flash_alias = g_new(MemoryRegion, 1);
- memory_region_init_rom(flash, OBJECT(dev_soc), "STM32F205.flash",
+ memory_region_init_rom(&s->flash, OBJECT(dev_soc), "STM32F205.flash",
FLASH_SIZE, &error_fatal);
- memory_region_init_alias(flash_alias, OBJECT(dev_soc),
- "STM32F205.flash.alias", flash, 0, FLASH_SIZE);
+ memory_region_init_alias(&s->flash_alias, OBJECT(dev_soc),
+ "STM32F205.flash.alias", &s->flash, 0, FLASH_SIZE);
- memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, flash);
- memory_region_add_subregion(system_memory, 0, flash_alias);
+ memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, &s->flash);
+ memory_region_add_subregion(system_memory, 0, &s->flash_alias);
- memory_region_init_ram(sram, NULL, "STM32F205.sram", SRAM_SIZE,
+ memory_region_init_ram(&s->sram, NULL, "STM32F205.sram", SRAM_SIZE,
&error_fatal);
- memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, sram);
+ memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, &s->sram);
armv7m = DEVICE(&s->armv7m);
qdev_prop_set_uint32(armv7m, "num-irq", 96);
STM32F2XXUsartState usart[STM_NUM_USARTS];
STM32F2XXSPIState spi[STM_NUM_SPIS];
+
+ MemoryRegion sram;
+ MemoryRegion flash;
+ MemoryRegion flash_alias;
};
#endif
STM32F2XXSPIState spi[STM_NUM_SPIS];
qemu_or_irq *adc_irqs;
+
+ MemoryRegion sram;
+ MemoryRegion flash;
+ MemoryRegion flash_alias;
};
#endif