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#include "fake_env.h"
#include <stdlib.h>
#include <assert.h>
struct fakeenv_memseg {
const char* name;
void* segment;
};
#define DEFINE_MEMORY_SEGMENT(seg, start_addr, end_addr) \
static __attribute((__section__("fakeenv"))) \
struct fakeenv_memseg fake_##seg = { \
.name = #seg, \
.segment = NULL, \
}; \
void* load_fake_##seg##__ () \
{ \
if (fake_##seg .segment == NULL) { \
fake_##seg .segment = malloc((end_addr) - (start_addr)); \
assert(fake_##seg .segment != NULL); \
} \
return fake_##seg.segment; \
}
extern struct fakeenv_memseg __start_fakeenv;
extern struct fakeenv_memseg __stop_fakeenv;
void wipeout_fake_env()
{
for (struct fakeenv_memseg* iter = &__start_fakeenv;
iter < &__stop_fakeenv;
++ iter) {
free(iter->segment);
iter->segment = NULL;
}
}
/* Reset and clock control. */
DEFINE_MEMORY_SEGMENT(rcc, 0x40021000, 0x400210A0)
/* Peripheral buses */
DEFINE_MEMORY_SEGMENT(apb1, 0x40000000, 0x40010000)
DEFINE_MEMORY_SEGMENT(apb2, 0x40010000, 0x40020000)
DEFINE_MEMORY_SEGMENT(ahb1, 0x40020000, 0x40024400)
DEFINE_MEMORY_SEGMENT(ahb2, 0x48000000, 0x50060C00)
/* System Control Block */
DEFINE_MEMORY_SEGMENT(scb, 0xE000E008, 0xE000EF04)
/* Nested Vector Interrupt Controller (NVIC) */
/* Note that this memory space acutally overlaps with the SCB, but
* they are functionally distinct entitites and such are modeled as
* separate structures in memeory. */
DEFINE_MEMORY_SEGMENT(nvic, 0xE000E004, 0xE000E4F0)
/* SRAM */
DEFINE_MEMORY_SEGMENT(sram1, 0x20000000, 0x2000C000)
DEFINE_MEMORY_SEGMENT(sram2, 0x2000C000, 0x20018000)
/* Serial Peripheral Interface */
DEFINE_MEMORY_SEGMENT(spi1, 0x40013000, 0x400133FF)
DEFINE_MEMORY_SEGMENT(spi3, 0x40003C00, 0x40003FFF)
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