Add EFI support for amd64 and arm64 platforms.#5241
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cclerget wants to merge 1 commit intotinygo-org:releasefrom
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Add EFI support for amd64 and arm64 platforms.#5241cclerget wants to merge 1 commit intotinygo-org:releasefrom
cclerget wants to merge 1 commit intotinygo-org:releasefrom
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Some decisions points: - no external libc dependency, builtin functions replaced by Go equivalent (runtime_minimal_libc.go) - assembly efi_main entrypoint as assembly stub is required for sbat and few symbols anyway - a default sbat section (required for Linux shim secure boot) - dedicated rand reader in crypto/rand for EFI as it doesn't fit well with the generic machine interface - the timer calibration is deliberately simple but hopefully good enough for EFI purpose - no heap grow support, just get the biggest memory region available
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Some decisions points:
Inspired by #3996 and essentially with Claude Code assistance to be totally transparent.