diff options
| -rw-r--r-- | src/arch/arm/boot.c | 5 | ||||
| -rw-r--r-- | src/arch/arm64/boot.c | 5 | ||||
| -rw-r--r-- | src/arch/mips/boot.c | 5 | ||||
| -rw-r--r-- | src/arch/power8/boot.c | 5 | ||||
| -rw-r--r-- | src/arch/riscv/boot.c | 5 | ||||
| -rw-r--r-- | src/arch/x86/boot.c | 5 | ||||
| -rw-r--r-- | src/include/program_loading.h | 3 | ||||
| -rw-r--r-- | src/lib/selfboot.c | 3 |
8 files changed, 36 insertions, 0 deletions
diff --git a/src/arch/arm/boot.c b/src/arch/arm/boot.c index 1767fe04c2..e208fc9051 100644 --- a/src/arch/arm/boot.c +++ b/src/arch/arm/boot.c @@ -25,3 +25,8 @@ void arch_prog_run(struct prog *prog) doit = prog_entry(prog); doit(prog_entry_arg(prog)); } + +int arch_supports_bounce_buffer(void) +{ + return 0; +} diff --git a/src/arch/arm64/boot.c b/src/arch/arm64/boot.c index fa83c3f657..d498cd9362 100644 --- a/src/arch/arm64/boot.c +++ b/src/arch/arm64/boot.c @@ -72,6 +72,11 @@ void arch_prog_run(struct prog *prog) doit(prog_entry_arg(prog)); } +int arch_supports_bounce_buffer(void) +{ + return 0; +} + /* Generic stage entry point. Can be overridden by board/SoC if needed. */ __attribute__((weak)) void stage_entry(void) { diff --git a/src/arch/mips/boot.c b/src/arch/mips/boot.c index 5ab36ec390..608af7b588 100644 --- a/src/arch/mips/boot.c +++ b/src/arch/mips/boot.c @@ -23,3 +23,8 @@ void arch_prog_run(struct prog *prog) doit(cb_tables); } + +int arch_supports_bounce_buffer(void) +{ + return 0; +} diff --git a/src/arch/power8/boot.c b/src/arch/power8/boot.c index 4da60b4e6c..fa1586f25b 100644 --- a/src/arch/power8/boot.c +++ b/src/arch/power8/boot.c @@ -21,3 +21,8 @@ void arch_prog_run(struct prog *prog) doit(prog_entry_arg(prog)); } + +int arch_supports_bounce_buffer(void) +{ + return 0; +} diff --git a/src/arch/riscv/boot.c b/src/arch/riscv/boot.c index 552b3f4cd6..96526bf64b 100644 --- a/src/arch/riscv/boot.c +++ b/src/arch/riscv/boot.c @@ -30,3 +30,8 @@ void arch_prog_run(struct prog *prog) doit(prog_entry_arg(prog)); } } + +int arch_supports_bounce_buffer(void) +{ + return 0; +} diff --git a/src/arch/x86/boot.c b/src/arch/x86/boot.c index b23e322d6c..ba78c4e308 100644 --- a/src/arch/x86/boot.c +++ b/src/arch/x86/boot.c @@ -192,6 +192,11 @@ static void jmp_payload(void *entry, unsigned long buffer, unsigned long size) ); } +int arch_supports_bounce_buffer(void) +{ + return 1; +} + static void try_payload(struct prog *prog) { if (prog_type(prog) == PROG_PAYLOAD) { diff --git a/src/include/program_loading.h b/src/include/program_loading.h index f71dcb79e5..8ac73ddf8a 100644 --- a/src/include/program_loading.h +++ b/src/include/program_loading.h @@ -41,6 +41,9 @@ enum prog_type { * set on the last segment loaded. */ void arch_segment_loaded(uintptr_t start, size_t size, int flags); +/* Return true if arch supports bounce buffer. */ +int arch_supports_bounce_buffer(void); + /* Representation of a program. */ struct prog { /* The region_device is the source of program content to load. After diff --git a/src/lib/selfboot.c b/src/lib/selfboot.c index 6d86159ddd..f3a1e52728 100644 --- a/src/lib/selfboot.c +++ b/src/lib/selfboot.c @@ -114,6 +114,9 @@ static int relocate_segment(unsigned long buffer, struct segment *seg) if (!overlaps_coreboot(seg)) return 0; + if (!arch_supports_bounce_buffer()) + die ("bounce buffer not supported"); + start = seg->s_dstaddr; middle = start + seg->s_filesz; end = start + seg->s_memsz; |