Jian Jun Chen 1dee977429 hv: risc-v: add relocation support ...

This patch implements relocation support for ACRN RISC-V to enable
position-independent execution. The hypervisor can now be loaded at any
physical address and will automatically relocate itself at runtime. Key
changes:
- Add relocate() function to process R_RISCV_RELATIVE relocations in
  .rela sections during early boot
- Implement arch_get_hv_image_delta() to calculate the load address offset
  from the configured base address
- Add relocation processing in cpu_entry.S before jumping to C code
- Update linker script to include .rela sections for relocation data
- Define R_RISCV_RELATIVE relocation type and linker symbol definitions

Tracked-On: #8825
Signed-off-by: Jian Jun Chen <jian.jun.chen@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>

2025-10-22 10:15:01 +08:00

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cpu_entry.S

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reloc.c

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