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Deploy ianos. Our elf/module loader.

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This commit is contained in:
Kostas Missos
2018-08-21 04:12:03 +03:00
parent 5fd9daa364
commit 3d6216a6f3
3 changed files with 209 additions and 114 deletions
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115
bootloader/main.c
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@@ -4,7 +4,6 @@
* Copyright (c) 2018 Rajko Stojadinovic
* Copyright (c) 2018 CTCaer
* Copyright (c) 2018 Reisyukaku
* Copyright (c) 2018 M4xw
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -57,13 +56,8 @@
#include "power/max17050.h"
#include "power/bq24193.h"
#include "config/config.h"
#include "ianos/ianos.h"
#include "libs/elfload/elfload.h"
#include "../common/common_module.h"
// TODO: Make it not suck
FIL globalElfFile;
void *elfBuff;
//TODO: ugly.
gfx_ctxt_t gfx_ctxt;
@@ -1727,113 +1721,6 @@ out:
btn_wait();
}
void mainApplicationCb(const char *test)
{
gfx_printf(&gfx_con, "\n%s\n\n", test);
//btn_wait();
return;
}
extern heap_t _heap;
static void call_elf_ep(moduleEntrypoint_t entrypoint)
{
pmoduleConfiguration_t moduleConfig = (pmoduleConfiguration_t)malloc(sizeof(struct moduleConfiguration_t));
moduleConfig->gfxCon = &gfx_con;
moduleConfig->gfxCtx = &gfx_ctxt;
moduleConfig->memcpy = (memcpy_t)&memcpy;
moduleConfig->memset = (memset_t)&memset;
moduleConfig->sharedHeap = &_heap;
entrypoint(mainApplicationCb, moduleConfig);
}
static void *elfAllocationCallback(
el_ctx *ctx,
Elf_Addr phys,
Elf_Addr virt,
Elf_Addr size)
{
(void)ctx;
(void)phys;
(void)size;
return (void *)virt;
}
void *buffteg = NULL;
static bool elfReadCallback(el_ctx *ctx, void *dest, size_t numberBytes, size_t offset)
{
(void)ctx;
memcpy(dest, buffteg + offset, numberBytes);
return true;
}
// TODO: ??? Add more modules!
void launch_elf()
{
gfx_clear_grey(&gfx_ctxt, 0x1B);
gfx_con_setpos(&gfx_con, 0, 0);
if (sd_mount())
{
gfx_printf(&gfx_con, "Attempting to execute: %s\n", "module_sample.so");
buffteg = sd_file_read("module_sample.so");
sd_unmount();
el_ctx ctx;
ctx.pread = elfReadCallback;
if (el_init(&ctx))
{
gfx_printf(&gfx_con, "%s\n", "Cant init ELF context");
goto elfLoadFinalOut;
}
elfBuff = memalign(ctx.align, ctx.memsz);
if (!elfBuff)
{
gfx_printf(&gfx_con, "%s\n", "Cant alloc memory");
goto elfLoadFinalOut;
}
ctx.base_load_vaddr = ctx.base_load_paddr = (uintptr_t)elfBuff;
if (el_load(&ctx, elfAllocationCallback))
{
gfx_printf(&gfx_con, "%s\n", "el_load");
goto elfFreeOut;
}
if (el_relocate(&ctx))
{
gfx_printf(&gfx_con, "%s\n", "el_relocate");
goto elfFreeOut;
}
uintptr_t epaddr = ctx.ehdr.e_entry + (uintptr_t)elfBuff;
moduleEntrypoint_t ep = (moduleEntrypoint_t)epaddr;
call_elf_ep(ep);
elfFreeOut:
free(elfBuff);
elfBuff = NULL;
}
else
{
gfx_printf(&gfx_con, "%s\n", "Cant mount SD");
goto elfLoadFinalOut;
}
elfLoadFinalOut:
btn_wait();
return;
}
void launch_firmware()
{
u8 max_entries = 61;