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chore(legacy): unify {go,return}_to_bootloader => stay_in_bootloader

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Pavol Rusnak 2021-02-12 00:26:59 +01:00
parent 040d09397c
commit 1a71dcd0c5
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GPG Key ID: 91F3B339B9A02A3D
7 changed files with 10 additions and 10 deletions
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6
legacy/bootloader/bootloader.c
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@ -112,9 +112,9 @@ static void bootloader_loop(void) {
}
int main(void) {
// grab go to bootloader flag as soon as possible
// grab "stay in bootloader" flag as soon as possible
register uint32_t r11 __asm__("r11");
volatile uint32_t go_to_bootloader_flag = r11;
volatile uint32_t stay_in_bootloader_flag = r11;
#ifndef APPVER
setup();
@ -128,7 +128,7 @@ int main(void) {
mpu_config_bootloader();
if (go_to_bootloader_flag == RETURN_TO_BOOTLOADER_FLAG) {
if (stay_in_bootloader_flag == STAY_IN_BOOTLOADER_FLAG) {
goto bootloader_loop_start;
}

2
legacy/memory.ld
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@ -18,7 +18,7 @@ INCLUDE cortex-m-generic.ld
_ram_start = ORIGIN(ram);
_ram_end = ORIGIN(ram) + LENGTH(ram);
_go_to_bootloader_flag_addr = ABSOLUTE(0x20010000);
_stay_in_bootloader_flag_addr = ABSOLUTE(0x20010000);
_stack = _ram_end - 8;
__stack_chk_guard = _ram_end - 8;
system_millis = _ram_end - 4;

2
legacy/memory_app_1.0.0.ld
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@ -18,7 +18,7 @@ INCLUDE cortex-m-generic.ld
_ram_start = ORIGIN(ram);
_ram_end = ORIGIN(ram) + LENGTH(ram);
_go_to_bootloader_flag_addr = ABSOLUTE(0x20010000);
_stay_in_bootloader_flag_addr = ABSOLUTE(0x20010000);
_stack = _ram_end - 8;
__stack_chk_guard = _ram_end - 8;
system_millis = _ram_end - 4;

2
legacy/memory_app_1.8.0.ld
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@ -24,7 +24,7 @@ _codelen = SIZEOF(.text) + SIZEOF(.data) + SIZEOF(.ARM.exidx);
_ram_start = ORIGIN(ram);
_ram_end = ORIGIN(ram) + LENGTH(ram);
_go_to_bootloader_flag_addr = ABSOLUTE(0x20010000);
_stay_in_bootloader_flag_addr = ABSOLUTE(0x20010000);
_stack = _ram_end - 8;
__stack_chk_guard = _ram_end - 8;
system_millis = _ram_end - 4;

2
legacy/startup.S
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@ -32,7 +32,7 @@ reset_handler:
isb
#endif
ldr r0, =_go_to_bootloader_flag_addr // r0 - address of storage for "go to bootloader" flag
ldr r0, =_stay_in_bootloader_flag_addr // r0 - address of storage for "stay in bootloader" flag
ldr r11, [r0] // r11 - keep in register and hope it gets to main
ldr r0, =_ram_start // r0 - point to beginning of SRAM

2
legacy/supervise.c
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@ -66,7 +66,7 @@ static uint32_t svhandler_flash_lock(void) {
}
static void __attribute__((noreturn)) svhandler_reboot_to_bootloader(void) {
*RETURN_TO_BOOTLOADER_FLAG_ADDR = RETURN_TO_BOOTLOADER_FLAG;
*STAY_IN_BOOTLOADER_FLAG_ADDR = STAY_IN_BOOTLOADER_FLAG;
scb_reset_system();
}

4
legacy/supervise.h
View File

@ -31,8 +31,8 @@
#define SVC_TIMER_MS 4
#define SVC_REBOOT_TO_BOOTLOADER 5
#define RETURN_TO_BOOTLOADER_FLAG_ADDR ((uint32_t *)0x20010000)
#define RETURN_TO_BOOTLOADER_FLAG 0x11
#define STAY_IN_BOOTLOADER_FLAG_ADDR ((uint32_t *)0x20010000)
#define STAY_IN_BOOTLOADER_FLAG 0x11
/* Unlocks flash. This function needs to be called before programming
* or erasing. Multiple calls of flash_program and flash_erase can