feat! refactor NeBoot for NeKernel.org v1.0.0

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 0 insertions, 155 deletions

diff --git a/src/coreboot-start.c b/src/coreboot-start.c
deleted file mode 100644
index 38aa760..0000000
--- a/src/coreboot-start.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/* -------------------------------------------
-
-  Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved.
-
-------------------------------------------- */
-
-#include <lib/boot.h>
-#include <lib/mp-bit.h>
-#include <lib/partition-map.h>
-#include <lib/pci-tree.h>
-
-/// BUGS: 0
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-// @name start.c //
-
-// @brief Start file // This is where the firmware starts it's initialization //
-// code. //
-
-// @author Amlal EL Mahrouss //
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-extern void cb_start_context(uintptr_t);
-extern void cb_start_rom(void);
-
-extern int cb_boot_processor_ready;
-
-/// @brief hardware thread counter (rv64 only)
-#ifdef __COMPILE_RISCV__
-uint64_t __cb_hart_counter = 0UL;
-#endif
-
-/// @brief Start executing the firmware.
-/// @param
-void cb_start_exec(void) {
-#ifndef __COMPILE_RISCV__
-  static uint64_t __cb_hart_counter = 0UL;
-#endif
-
-  ++__cb_hart_counter;
-
-  uintptr_t hart = __cb_hart_counter;
-
-  // let the hart 0 init our stuff.
-  if (hart == 0) {
-    cb_put_string("CB> Welcome to CoreBoot, (c) Amlal EL Mahrouss. Built the ");
-    cb_put_string(__DATE__);
-    cb_put_string("\r\r\n");
-
-#ifdef __COMPILE_POWERPC__
-    cb_put_string("CB> CPU: PowerPC 64-bit Based SoC.\r\r\n");
-#endif  // __COMPILE_POWERPC__
-
-#ifdef __COMPILE_AMD64__
-    cb_put_string("CB> CPU: x64 Based SoC.\r\r\n");
-#endif  // __COMPILE_AMD64__
-
-#ifdef __COMPILE_ARM64__
-    cb_put_string("CB> CPU: AArch64 Based SoC.\r\r\n");
-#endif  // __COMPILE_ARM64__
-
-#ifdef __COMPILE_ARM32__
-    cb_put_string("CB> CPU: AArch32 Based SoC.\r\r\n");
-#endif  // __COMPILE_ARM64__
-
-#ifdef __COMPILE_RISCV__
-    cb_put_string("CB> CPU: RV64 Based SoC.\r\r\n");
-#endif  // __COMPILE_RISCV__
-  }
-
-  /// @brief Boots here if LX header matches what we except.
-
-  volatile struct cb_boot_header* boot_hdr = (volatile struct cb_boot_header*) (CB_FLASH_BASE_ADDR);
-
-  /**
-    boot if:
-      - ident matches.
-      - version matches.
-  */
-
-  if (boot_hdr->h_mag[0] == CB_BOOT_MAG_0 && boot_hdr->h_mag[1] == CB_BOOT_MAG_1) {
-    uint32_t rev = boot_hdr->h_revision;
-
-#ifdef __aarch64__
-    rev = __builtin_bswap32(rev);
-#endif
-
-    if (rev != CB_BOOT_VER) {
-      if (hart == 0) {
-        cb_put_string("CB> Can't Boot the StageTwo, LX invalid signature. (CB0003)\r\n");
-      }
-    } else {
-      if (hart == 0) {
-        cb_pci_append_tree("@stage2-lx", (cb_pci_num_t) boot_hdr, sizeof(struct cb_boot_header));
-
-        cb_put_string("CB> Executing StageTwo: ");
-        cb_put_string((const char*) boot_hdr->h_name);
-        cb_put_char('\r');
-        cb_put_char('\n');
-
-        // printf("CB> address: %x\n", boot_hdr->h_start_address);
-      }
-
-      if (boot_hdr->h_start_address != 0) {
-        cb_boot_processor_ready = 1;
-        cb_start_context(boot_hdr->h_start_address);
-      }
-
-      cb_put_string("CB> StageTwo has returned? (CB0002)\r\n");
-    }
-  } else {
-    cb_put_string("CB> Trying EPM partition...\r\n");
-
-    part_block_t* blk = cb_parse_partition_block_at((voidptr_t) CB_BOOT_ADDR, EPM_PART_BLK_SZ, 0);
-
-    if (blk) {
-      cb_pci_append_tree("@stage2-epm", (cb_pci_num_t) blk, sizeof(part_block_t) * blk->num_blocks);
-
-      size_t indx = 0;
-      size_t end_lba, start_lba, sector_sz;
-
-      while (indx < blk->num_blocks) {
-        if (cb_parse_partition_block_data_at(blk, EPM_PART_BLK_SZ * blk->num_blocks, indx, &end_lba,
-                                             &start_lba, &sector_sz) == no) {
-          ++indx;
-          continue;
-        }
-
-        cb_boot_processor_ready = 1;
-        cb_start_context((uintptr_t) (voidptr_t) blk + start_lba);
-
-        if (hart == 1) {
-          cb_put_string("CB> Can't boot to StageTwo. (CB0001)\r\n");
-        }
-      }
-    }
-
-    if (hart == 1) {
-      cb_put_string(
-          "CB> Can't boot to StageTwo via EPM, no bootable partition blocks found. (CB0001)\r\n");
-    }
-  }
-
-  /// end of TODO
-
-  if (hart > 1) {
-    while (yes) {
-      if (__cb_hart_counter == 0) {
-        cb_restart_machine();
-      }
-    }
-  }
-}