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| author | Xiang Wang <wxjstz@126.com> | 2018-07-19 17:35:39 +0800 |
|---|---|---|
| committer | ron minnich <rminnich@gmail.com> | 2019-02-02 16:53:21 +0000 |
| commit | 820dcfceb3901dbb00bb90c876e374126ca14e20 (patch) | |
| tree | 2f0ba3f1038291f9dda7755680551cbe425f7922 /src/arch/riscv/include | |
| parent | c47d43a8af5dfdbdb7afebb39f999f18f36c9d23 (diff) | |
| download | coreboot-820dcfceb3901dbb00bb90c876e374126ca14e20.tar.xz | |
riscv: Simplify payload handling
1. Simplify payload code and convert it to C
2. Save the FDT pointer to HLS (hart-local storage).
3. Don't use mscratch to pass FDT pointer as it is used for exception handling.
Change-Id: I32bf2a99e07a65358a7f19b899259f0816eb45e8
Signed-off-by: Xiang Wang <wxjstz@126.com>
Signed-off-by: Philipp Hug <philipp@hug.cx>
Reviewed-on: https://review.coreboot.org/c/31179
Reviewed-by: ron minnich <rminnich@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/arch/riscv/include')
| -rw-r--r-- | src/arch/riscv/include/arch/boot.h | 8 | ||||
| -rw-r--r-- | src/arch/riscv/include/arch/stages.h | 3 | ||||
| -rw-r--r-- | src/arch/riscv/include/mcall.h | 8 |
3 files changed, 16 insertions, 3 deletions
diff --git a/src/arch/riscv/include/arch/boot.h b/src/arch/riscv/include/arch/boot.h index 24c1bedebf..34a507edec 100644 --- a/src/arch/riscv/include/arch/boot.h +++ b/src/arch/riscv/include/arch/boot.h @@ -16,6 +16,12 @@ #ifndef ARCH_RISCV_INCLUDE_ARCH_BOOT_H #define ARCH_RISCV_INCLUDE_ARCH_BOOT_H -extern const void *rom_fdt; +#include <program_loading.h> + +#define RISCV_PAYLOAD_MODE_U 0 +#define RISCV_PAYLOAD_MODE_S 1 +#define RISCV_PAYLOAD_MODE_M 3 + +void run_payload(struct prog *prog, void *fdt, int payload_mode); #endif diff --git a/src/arch/riscv/include/arch/stages.h b/src/arch/riscv/include/arch/stages.h index 90bd60b9a6..138298fd03 100644 --- a/src/arch/riscv/include/arch/stages.h +++ b/src/arch/riscv/include/arch/stages.h @@ -18,6 +18,7 @@ #include <main_decl.h> -void stage_entry(void) __attribute__((section(".text.stage_entry"))); +void stage_entry(int hart_id, void *fdt) + __attribute__((section(".text.stage_entry"))); #endif diff --git a/src/arch/riscv/include/mcall.h b/src/arch/riscv/include/mcall.h index 29df736d1b..cd1ed6dc18 100644 --- a/src/arch/riscv/include/mcall.h +++ b/src/arch/riscv/include/mcall.h @@ -52,9 +52,14 @@ typedef struct { int ipi_pending; uint64_t *timecmp; uint64_t *time; + void *fdt; struct blocker entry; } hls_t; +_Static_assert( + sizeof(hls_t) == HLS_SIZE, + "HLS_SIZE must equal to sizeof(hls_t)"); + #define MACHINE_STACK_TOP() ({ \ /* coverity[uninit_use] : FALSE */ \ register uintptr_t sp asm ("sp"); \ @@ -66,7 +71,8 @@ typedef struct { #define MACHINE_STACK_SIZE RISCV_PGSIZE -void hls_init(uint32_t hart_id); // need to call this before launching linux +// need to call this before launching linux +void hls_init(uint32_t hart_id, void *fdt); /* This function is used to initialize HLS()->time/HLS()->timecmp */ void mtime_init(void); |