__noreturn void barebox_single_pbl_start(unsigned long membase,
unsigned long memsize, void *boarddata)
{
uint32_t offset;
uint32_t pg_start, pg_end, pg_len;
void __noreturn (*barebox)(unsigned long, unsigned long, void *);
uint32_t endmem = membase + memsize;
unsigned long barebox_base;
endmem -= STACK_SIZE; /* stack */
if (IS_ENABLED(CONFIG_PBL_RELOCATABLE))
relocate_to_current_adr();
/* Get offset between linked address and runtime address */
offset = get_runtime_offset();
pg_start = (uint32_t)&input_data - offset;
pg_end = (uint32_t)&input_data_end - offset;
pg_len = pg_end - pg_start;
if (IS_ENABLED(CONFIG_RELOCATABLE))
barebox_base = arm_barebox_image_place(membase + memsize);
else
barebox_base = TEXT_BASE;
if (offset && (IS_ENABLED(CONFIG_PBL_FORCE_PIGGYDATA_COPY) ||
region_overlap(pg_start, pg_len, barebox_base, pg_len * 4))) {
/*
* copy piggydata binary to its link address
*/
memcpy(&input_data, (void *)pg_start, pg_len);
pg_start = (uint32_t)&input_data;
}
setup_c();
if (IS_ENABLED(CONFIG_MMU_EARLY)) {
endmem &= ~0x3fff;
endmem -= SZ_16K; /* ttb */
mmu_early_enable(membase, memsize, endmem);
}
endmem -= SZ_128K; /* early malloc */
free_mem_ptr = endmem;
free_mem_end_ptr = free_mem_ptr + SZ_128K;
pbl_barebox_uncompress((void*)barebox_base, (void *)pg_start, pg_len);
arm_early_mmu_cache_flush();
flush_icache();
if (IS_ENABLED(CONFIG_THUMB2_BAREBOX))
barebox = (void *)(barebox_base + 1);
else
barebox = (void *)barebox_base;
barebox(membase, memsize, boarddata);
}
static void noinline uncompress(uint32_t membase,
uint32_t memsize, uint32_t boarddata)
{
uint32_t offset;
uint32_t pg_len;
void __noreturn (*barebox)(uint32_t, uint32_t, uint32_t);
uint32_t endmem = membase + memsize;
unsigned long barebox_base;
uint32_t *ptr;
void *pg_start;
arm_early_mmu_cache_invalidate();
endmem -= STACK_SIZE; /* stack */
if (IS_ENABLED(CONFIG_PBL_RELOCATABLE))
relocate_to_current_adr();
/* Get offset between linked address and runtime address */
offset = get_runtime_offset();
if (IS_ENABLED(CONFIG_RELOCATABLE))
barebox_base = arm_barebox_image_place(membase + memsize);
else
barebox_base = TEXT_BASE;
setup_c();
if (IS_ENABLED(CONFIG_MMU_EARLY)) {
endmem &= ~0x3fff;
endmem -= SZ_16K; /* ttb */
mmu_early_enable(membase, memsize, endmem);
}
endmem -= SZ_128K; /* early malloc */
free_mem_ptr = endmem;
free_mem_end_ptr = free_mem_ptr + SZ_128K;
ptr = (void *)__image_end;
pg_start = ptr + 1;
pg_len = *(ptr);
pbl_barebox_uncompress((void*)barebox_base, pg_start, pg_len);
arm_early_mmu_cache_flush();
flush_icache();
if (IS_ENABLED(CONFIG_THUMB2_BAREBOX))
barebox = (void *)(barebox_base + 1);
else
barebox = (void *)barebox_base;
barebox(membase, memsize, boarddata);
}