Skip to content

adapt data layout to match LLVM's #420

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 8 commits into from
Feb 16, 2024
Merged

adapt data layout to match LLVM's #420

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
8 commits
Select commit Hold shift + click to select a range
09b2569
Update i686-stage-3.json
tsatke Feb 14, 2024
d7d3ef1
Update i386-code16-boot-sector.json
tsatke Feb 14, 2024
a2427a5
Update i386-code16-stage-2.json
tsatke Feb 14, 2024
d02738c
Merge remote-tracking branch 'origin/patch-2' into patch-1
Feb 14, 2024
366c976
Merge remote-tracking branch 'origin/patch-3' into patch-1
Feb 14, 2024
090f030
update data-layout for stage 4
Feb 14, 2024
8f5bd4e
attempt workaround by Freax13
Feb 15, 2024
2ebe789
Add a FIXME comment to the `inline(never)` and link to the GitHub issue
phil-opp Feb 16, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions bios/stage-4/src/main.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -262,6 +262,10 @@ fn detect_rsdp() -> Option<PhysAddr> {
#[derive(Clone)]
struct IdentityMapped;
impl AcpiHandler for IdentityMapped {
// TODO FIXME: This inline(never) annotation is required. Without it,
// LLVM replaces the `search_for_on_bios` call below with a `ud2`
// instruction. See https://github.com/rust-osdev/bootloader/issues/425
#[inline(never)]
unsafe fn map_physical_region<T>(
&self,
physical_address: usize,
Expand Down
2 changes: 1 addition & 1 deletion i386-code16-boot-sector.json
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
{
"arch": "x86",
"cpu": "i386",
"data-layout": "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128",
"data-layout": "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-i128:128-f64:32:64-f80:32-n8:16:32-S128",
"dynamic-linking": false,
"executables": true,
"linker-flavor": "ld.lld",
Expand Down
2 changes: 1 addition & 1 deletion i386-code16-stage-2.json
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
{
"arch": "x86",
"cpu": "i386",
"data-layout": "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128",
"data-layout": "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-i128:128-f64:32:64-f80:32-n8:16:32-S128",
"dynamic-linking": false,
"executables": true,
"linker-flavor": "ld.lld",
Expand Down
2 changes: 1 addition & 1 deletion i686-stage-3.json
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
{
"arch": "x86",
"cpu": "i386",
"data-layout": "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128",
"data-layout": "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-i128:128-f64:32:64-f80:32-n8:16:32-S128",
"dynamic-linking": false,
"executables": true,
"linker-flavor": "ld.lld",
Expand Down
2 changes: 1 addition & 1 deletion x86_64-stage-4.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
"arch": "x86_64",
"code-model": "kernel",
"cpu": "x86-64",
"data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128",
"data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128",
"disable-redzone": true,
"features": "-mmx,-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-3dnow,-3dnowa,-avx,-avx2,+soft-float",
"linker": "rust-lld",
Expand Down