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-rw-r--r--kernel/gsp_emulation.h37
1 files changed, 36 insertions, 1 deletions
diff --git a/kernel/gsp_emulation.h b/kernel/gsp_emulation.h
index 53560e9..668d567 100644
--- a/kernel/gsp_emulation.h
+++ b/kernel/gsp_emulation.h
@@ -38,7 +38,27 @@
* physical GSP boot sequence is visible on the host (guest BAR0 access is
* mmap-based and otherwise invisible). Offsets are BAR0-relative, GSP falcon
* block at 0x110000. */
-#define GSP_EMU_FALCON_WATCH_COUNT 17
+#define GSP_EMU_FALCON_WATCH_COUNT 20
+
+/* BAR0 shadow offsets used by the guest's physical GSP boot */
+#define GSP_EMU_REG_GSP_CPUCTL 0x110100 /* bit1 STARTCPU, bit4 HALTED */
+#define GSP_EMU_REG_GSP_ENGINE 0x1103c0 /* bit0 RESET */
+#define GSP_EMU_REG_GSP_MAILBOX0 0x110040
+#define GSP_EMU_REG_VBIOS_SCRATCH_0E 0x001438 /* FRTS err code (0=NONE) */
+#define GSP_EMU_REG_WPR2_ADDR_LO 0x1fa824
+#define GSP_EMU_REG_WPR2_ADDR_HI 0x1fa828
+#define GSP_EMU_REG_RISCV_STATUS 0x111240 /* bit0 ACTIVE (NV_PRISCV_RISCV
+ CORE_SWITCH_RISCV_STATUS=0x240 at
+ GSP riscvRegisterBase =
+ NV_FALCON2_GSP_BASE=0x111000) */
+
+/* SEC2 falcon (Booter Load/Unload runs here, not on the GSP falcon) */
+#define GSP_EMU_REG_SEC2_CPUCTL 0x840100
+#define GSP_EMU_REG_SEC2_MAILBOX0 0x840040
+#define GSP_EMU_REG_SEC2_ENGINE 0x8403c0
+
+#define GSP_EMU_CPUCTL_STARTCPU 0x2
+#define GSP_EMU_CPUCTL_HALTED 0x10
/* ============================================================
* GSP Emulation Context
@@ -78,8 +98,23 @@ struct gsp_emu_context {
u32 boot_stage; /* enum gsp_emu_boot_stage */
u32 flcn_kick_count; /* STARTCPU kicks seen since last ENGINE reset */
u32 wpr2_addr_lo; /* WPR2_ADDR_LO value to report after FWSEC */
+
+ /* GSP-RM msgq emulation (physical path, guest-sysmem queues) */
+ struct gsp_rm_emu *rm_emu;
};
+/* Shadow accessors shared with gsp_rm_emulation.c */
+static inline void gsp_emu_shadow_write32(struct gsp_emu_context *ctx,
+ u32 offset, u32 val)
+{
+ writel(val, ctx->bar0_vaddr + offset);
+}
+
+static inline u32 gsp_emu_shadow_read32(struct gsp_emu_context *ctx, u32 offset)
+{
+ return readl(ctx->bar0_vaddr + offset);
+}
+
/* ============================================================
* Public API
* ============================================================ */