arm-trusted-firmware/docs/design
Madhukar Pappireddy e34cc0cedc Changes to support updated register usage in SMCCC v1.2
From AArch64 state, arguments are passed in registers W0-W7(X0-X7)
and results are returned in W0-W7(X0-X7) for SMC32(SMC64) calls.
From AArch32 state, arguments are passed in registers R0-R7 and
results are returned in registers R0-R7 for SMC32 calls.

Most of the functions and macros already existed to support using
upto 8 registers for passing/returning parameters/results. Added
few helper macros for SMC calls from AArch32 state.

Link to the specification:
https://developer.arm.com/docs/den0028/c

Change-Id: I87976b42454dc3fc45c8343e9640aa78210e9741
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
2019-11-26 12:56:30 -06:00
..
auth-framework.rst doc: Convert internal links to RST format 2019-10-08 15:58:03 +00:00
cpu-specific-build-macros.rst doc: Convert internal links to RST format 2019-10-08 15:58:03 +00:00
firmware-design.rst Changes to support updated register usage in SMCCC v1.2 2019-11-26 12:56:30 -06:00
index.rst doc: Move documents into subdirectories 2019-05-21 15:05:56 +01:00
interrupt-framework-design.rst doc: Convert internal links to RST format 2019-10-08 15:58:03 +00:00
psci-pd-tree.rst doc: Set correct syntax highlighting style 2019-05-22 11:28:17 +01:00
reset-design.rst doc: Convert internal links to RST format 2019-10-08 15:58:03 +00:00
trusted-board-boot.rst doc: Convert internal links to RST format 2019-10-08 15:58:03 +00:00