diff options
author | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
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committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/arm/include/asm/secure.h | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/include/asm/secure.h')
-rw-r--r-- | roms/u-boot/arch/arm/include/asm/secure.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/include/asm/secure.h b/roms/u-boot/arch/arm/include/asm/secure.h new file mode 100644 index 000000000..c7b00be8e --- /dev/null +++ b/roms/u-boot/arch/arm/include/asm/secure.h @@ -0,0 +1,61 @@ +#ifndef __ASM_SECURE_H +#define __ASM_SECURE_H + +#include <config.h> +#include <asm/global_data.h> + +#define __secure __section("._secure.text") +#define __secure_data __section("._secure.data") + +#ifndef __ASSEMBLY__ + +typedef struct secure_svc_tbl { + u32 id; +#ifdef CONFIG_ARMV8_PSCI + u8 pad[4]; +#endif + void *func; +} secure_svc_tbl_t; + +/* + * Macro to declare a SiP function service in '_secure_svc_tbl_entries' section + */ +#define DECLARE_SECURE_SVC(_name, _id, _fn) \ + static const secure_svc_tbl_t __secure_svc_ ## _name \ + __used __section("._secure_svc_tbl_entries") \ + = { \ + .id = _id, \ + .func = _fn } + +#else + +#ifdef CONFIG_ARMV8_PSCI +#define SECURE_SVC_TBL_OFFSET 16 +#else +#define SECURE_SVC_TBL_OFFSET 8 + +#endif + +#endif /* __ASSEMBLY__ */ + +#if defined(CONFIG_ARMV7_SECURE_BASE) || defined(CONFIG_ARMV8_SECURE_BASE) +/* + * Warning, horror ahead. + * + * The target code lives in our "secure ram", but u-boot doesn't know + * that, and has blindly added reloc_off to every relocation + * entry. Gahh. Do the opposite conversion. This hack also prevents + * GCC from generating code veeners, which u-boot doesn't relocate at + * all... + */ +#define secure_ram_addr(_fn) ({ \ + DECLARE_GLOBAL_DATA_PTR; \ + void *__fn = _fn; \ + typeof(_fn) *__tmp = (__fn - gd->reloc_off); \ + __tmp; \ + }) +#else +#define secure_ram_addr(_fn) (_fn) +#endif + +#endif |