Allow disc stop at startup

.github/workflows/CI.yml

@@ -63,6 +63,11 @@ jobs:
         run: |
           make release COMMIT_HASH=${GITHUB_SHA::7} BINDIR=PS2_HDD/ HDD=1 ${{ env.DEBUG }} PRINTF=${{ github.event.inputs.name }}
 
+      - name: Compile PS2 discboot build
+        run: |
+          make release COMMIT_HASH=${GITHUB_SHA::7} BINDIR=PS2_BOOTDISK/ DISC_STOP_AT_BOOT=1 ${{ env.DEBUG }} PRINTF=${{ github.event.inputs.name }}
+          echo "the executables on this folder are the same than normal PS2BBL, but they try to stop disc spinning as soon as possible, ideal for freedv">PS2_BOOTDISK/README.TXT
+
       - name: list
         run: |
           git ls-files -i --exclude-standard -c
@@ -75,6 +80,7 @@ jobs:
           mv PSX/ release/PSX/
           mv PS2_HDD/ release/PS2_HDD/
           mv PS2_MX4SIO/ release/PS2_MX4SIO/
+          mv PS2_BOOTDISK/ release/PS2_BOOTDISK/
 
       - name: pack release
         run: |

Makefile

@@ -20,6 +20,7 @@ PROHBIT_DVD_0100 ?= 0 # prohibit the DVD Players v1.00 and v1.01 from being boot
 XCDVD_READKEY ?= 0 # Enable the newer sceCdReadKey checks, which are only supported by a newer CDVDMAN module.
 UDPTTY ?= 0 # printf ove UDP
 PRINTF ?= NONE
+DISC_STOP_AT_BOOT ?= 0
 
 HOMEBREW_IRX ?= 0 # if we need homebrew SIO2MAN, MCMAN, MCSERV & PADMAN embedded, else, builtin console drivers are used
 FILEXIO_NEED ?= 0 # if we need filexio and imanx loaded for other features (HDD, mx4sio, etc)
@@ -76,6 +77,10 @@ ifneq ($(VERBOSE), 1)
    .SILENT:
 endif
 
+ifeq ($(DISC_STOP_AT_BOOT), 1)
+   EE_CFLAGS += -DDISC_STOP_AT_BOOT
+endif
+
 ifeq ($(MX4SIO), 1)
   HOMEBREW_IRX = 1
   FILEXIO_NEED = 1

src/main.c

@@ -209,6 +209,10 @@ int main(int argc, char *argv[])
     DPRINTF("disabling MODLOAD device blacklist/whitelist\n");
     sbv_patch_disable_prefix_check(); /* disable the MODLOAD module black/white list, allowing executables to be freely loaded from any device. */
 
+#ifdef DISC_STOP_AT_BOOT
+    sceCdStop();
+    sceCdSync(0);
+#endif
 #ifdef UDPTTY
     if (loadDEV9())
         loadUDPTTY();