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sandbox: make RAM size configurable

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Up to now the RAM size of the sandbox is hard coded as 128 MiB. This does
not allow testing the correct handling of addresses outside the 32bit
range. 128 MiB is also rather small when tracing functions where the trace
is written to RAM.

Provide configuration variable CONFIG_SANDBOX_RAM_SIZE_MB to set the RAM
size in MiB. It defaults to 128 MiB with a minimum of 64 MiB.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt 2020-06-07 18:47:35 +02:00 committed by Simon Glass
parent 1b48782ad3
commit e85497a930
3 changed files with 15 additions and 2 deletions
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10
arch/sandbox/Kconfig
View File

@ -15,6 +15,16 @@ config SANDBOX64
select PHYS_64BIT
select HOST_64BIT
config SANDBOX_RAM_SIZE_MB
int "RAM size in MiB"
default 128
range 64 4095 if !SANDBOX64
range 64 268435456 if SANDBOX64
help
Memory size of the sandbox in MiB. The default value is 128 MiB.
The minimum value is 64 MiB. The maximum value is 4095 MiB for the
32bit sandbox.
config SANDBOX_SPL
bool "Enable SPL for sandbox"
select SUPPORT_SPL

2
arch/sandbox/include/asm/state.h
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@ -73,7 +73,7 @@ struct sandbox_state {
char **argv; /* Command line arguments */
const char *jumped_fname; /* Jumped from previous U_Boot */
uint8_t *ram_buf; /* Emulated RAM buffer */
unsigned int ram_size; /* Size of RAM buffer */
unsigned long ram_size; /* Size of RAM buffer */
const char *ram_buf_fname; /* Filename to use for RAM buffer */
bool ram_buf_rm; /* Remove RAM buffer file after read */
bool write_ram_buf; /* Write RAM buffer on exit */

5
include/configs/sandbox.h
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@ -47,8 +47,11 @@
#define CONFIG_PHYSMEM
/* Size of our emulated memory */
#define SB_CONCAT(x, y) x ## y
#define SB_TO_UL(s) SB_CONCAT(s, UL)
#define CONFIG_SYS_SDRAM_BASE 0
#define CONFIG_SYS_SDRAM_SIZE (128 << 20)
#define CONFIG_SYS_SDRAM_SIZE \
(SB_TO_UL(CONFIG_SANDBOX_RAM_SIZE_MB) << 20)
#define CONFIG_SYS_MONITOR_BASE 0
#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\